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Backflow Prevention

Repair Kits

009

Reduced Pressure Zone Assemblies

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271 Results Found

Kit TypeKit NoValve SeriesValve Size Ordering CodeKit Contents
Cover KitLFRK 009 C0091/4"0794044cover and cover o-ring
Cover KitLFRK 009 C0093/8"0794044cover and cover o-ring
Cover KitLFRK 009 C0091/2"0794044cover and cover o-ring
Cover KitLFRK 009M3 C0093/4"0794045cover and cover o-ring
Cover KitLFRK 009M2C0091"0794046cover and cover o-ring
Cover KitLFRK 009M2 C0091-1/4"0794047cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitLFRK 009M2 C0091-1/2"0794047cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitLFRK 009M2 C0092"0794048cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Relief Valve KitLFRK 009 VT0092-1/2"0794052seat, stem assembly, spring, two piston o-rings, flow tube o-ring and cover o-ring.
Relief Valve KitLFRK 009 VT0093"0794052seat, stem assembly, spring, two piston o-rings, flow tube o-ring and cover o-ring.
Relief Valve Rubber Parts KitLFRK 009 RV0092-1/2"0794053diaphragm, disc, molded disc assembly, piston O-ring, stem O-ring and cover O-ring
Relief Valve Rubber Parts KitLFRK 009 RV0093"0794053diaphragm, disc, molded disc assembly, piston O-ring, stem O-ring and cover O-ring
First Check KitLFRK 009 CK10092-1/2"0794054check assembly, cover O-ring and flow tube O-ring
First Check KitLFRK 009 CK10093"0794054check assembly, cover O-ring and flow tube O-ring
Second Check KitLFRK 009 CK20092-1/2"0794055check assembly, cover O-ring and flow tube O-ring
Second Check KitLFRK 009 CK20093"0794055check assembly, cover O-ring and flow tube O-ring
Complete Rubber Parts KitLFRK 009 RT0092-1/2"0794056diaphragm, two molded disc assemblies, two seat O-rings, RV O-ring, two piston O-rings, RV stem O-ring, flow tube O-ring and cover O-ring
Complete Rubber Parts KitLFRK 009 RT0093"0794056diaphragm, two molded disc assemblies, two seat O-rings, RV O-ring, two piston O-rings, RV stem O-ring, flow tube O-ring and cover O-ring
Relief Valve Rubber Parts KitRK 009M2 RV0093/4"0886998diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Complete Rubber Parts KitRK 009M2 RT0093/4"0886999diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
First Check KitRK 009M2 CK10093/4"0887000check assembly and cover O-ring
Second Check KitRK 009M2 CK20093/4"0887001check assembly and cover O-ring
Total Relief Valve KitRK 009M2 VT0093/4"0887002seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Check Rubber Parts KitRK 009M2 RC30093/4"0887003disc, cover O-ring and seat O-ring
Cover KitRK 009M2 C0093/4"0887004cover and cover O-ring
First Check KitRK 009 CK10093/4"0887005check assembly and cover O-ring
First Check KitRK 009 CK10091"0887005check assembly and cover O-ring
First Check KitRK 009 CK10091-1/4"0887006first check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009 CK10091-1/2"0887006first check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009 CK10092"0887006first check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009 CK20093/4"0887007check assembly and cover O-ring
Second Check KitRK 009 CK20091"0887007check assembly and cover O-ring
Second Check KitRK 009 CK20091-1/4"0887008second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009 CK20091-1/2"0887008second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009 CK20092"0887008second check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009 CK1SS0093/4"0887009check assembly and cover O-ring
First Check KitRK 009 CK1SS0091"0887009check assembly and cover O-ring
First Check KitRk 009 CK1SS0091-1/4"0887010first check assembly, cover O-ring and sensing passage O-ring
First Check KitRk 009 CK1SS0091-1/2"0887010first check assembly, cover O-ring and sensing passage O-ring
First Check KitRk 009 CK1SS0092"0887010first check assembly, cover O-ring and sensing passage O-ring
Second Check KitRK 009 CK2SS0093/4"0887011check assembly and cover O-ring
Second Check KitRK 009 CK2SS0091"0887011check assembly and cover O-ring
Second Check KitRK 009 CK2SS0091-1/4"0887012second check assembly, cover O-ring and sensing passage O-ring
Second Check KitRK 009 CK2SS0091-1/2"0887012second check assembly, cover O-ring and sensing passage O-ring
Second Check KitRK 009 CK2SS0092"0887012second check assembly, cover O-ring and sensing passage O-ring
Cover KitRK 009 C0093/4"0887013cover and cover O-ring
Cover KitRK 009 C0091"0887013cover and cover O-ring
Cover KitRK 009 C0091-1/4"0887014cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitRK 009 C0091-1/2"0887014cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitRK 009 C0092"0887014cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Total Relief Valve KitRK 009 VT0093/4"0887015seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Total Relief Valve KitRK 009 VT0091"0887015seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Total Relief Valve KitRK 009 VT0091-1/4"0887016RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring
Total Relief Valve KitRK 009 VT0091-1/2"0887016RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring
Total Relief Valve KitRK 009 VT0092"0887016RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring
First Check Rubber Parts KitRK 009 RC10093/4"0887017disc, cover O-ring and seat O-ring
First Check Rubber Parts KitRK 009 RC10091"0887017disc, cover O-ring and seat O-ring
First Check Rubber Parts KitRK 009 RC10091-1/4"0887018first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009 RC10091-1/2"0887018first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009 RC10092"0887018first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check KitRK 009 CK10092-1/2"0887019check assembly, cover O-ring and flow tube O-ring
First Check KitRK 009 CK10093"0887019check assembly, cover O-ring and flow tube O-ring
Second Check KitRK 009 CK20092-1/2"0887020check assembly, cover O-ring and flow tube O-ring
Second Check KitRK 009 CK20093"0887020check assembly, cover O-ring and flow tube O-ring
Total Relief Valve KitRK 009 VT0092-1/2"0887021seat, stem assembly, spring, two piston O-rings, flow tube O-ring and cover O-ring
Total Relief Valve KitRK 009 VT0093"0887021seat, stem assembly, spring, two piston O-rings, flow tube O-ring and cover O-ring
Second Check Rubber Parts KitRK 009 RC20093/4"0887180disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK 009 RC20091"0887180disc, cover O-ring and seat O-ring
Relief Valve Rubber Parts KitRK 009 RV0093/4"0887181diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK 009 RV0091"0887181diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Complete Rubber Parts KitRK 009 RT0093/4"0887182diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Complete Rubber Parts KitRK 009 RT0091"0887182diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Second Check Rubber Parts KitRK 009 RC20091-1/4"0887183second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009 RC20091-1/2"0887183second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009 RC20092"0887183second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009 RV0091-1/4"0887184diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009 RV0091-1/2"0887184diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009 RV0092"0887184diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Complete Rubber Parts KitRK 009 RT0091-1/4"0887185two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Complete Rubber Parts KitRK 009 RT0091-1/2"0887185two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Complete Rubber Parts KitRK 009 RT0092"0887185two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Second Check Rubber Parts KitRK 009 RC20092-1/2"0887205disc, seat O-ring, cover O-ring and flow tube O-ring
Second Check Rubber Parts KitRK 009 RC20093"0887205disc, seat O-ring, cover O-ring and flow tube O-ring
Relief Valve Rubber Parts KitRK 009 RV0092-1/2"0887206diaphragm, disc, molded disc assembly, piston O-ring, stem O-ring and cover O-ring
Relief Valve Rubber Parts KitRK 009 RV0093"0887206diaphragm, disc, molded disc assembly, piston O-ring, stem O-ring and cover O-ring
Complete Rubber Parts KitRK 009 RT0092-1/2"0887207diaphragm, two molded disc assemblies, two seat O-rings, RV O-ring, two piston O-rings, RV stem O-ring, flow tube O-ring and cover O-ring
Complete Rubber Parts KitRK 009 RT0093"0887207diaphragm, two molded disc assemblies, two seat O-rings, RV O-ring, two piston O-rings, RV stem O-ring, flow tube O-ring and cover O-ring
Seat KitRK 009 S10092-1/2"0887208check seat, seat O-ring and cover O-ring
Seat KitRK 009 S10093"0887208check seat, seat O-ring and cover O-ring
Seat KitRK 009 S20092-1/2"0887209check seat, seat O-ring and cover O-ring
Seat KitRK 009 S20093"0887209check seat, seat O-ring and cover O-ring
Total Repair KitRK 009M1-T0091-1/4"0887269009M1 Total Relief Valve Repair Kit, 009M1 First Check Valve Repair Kit, 009M1 Second Check Valve Repair Kit
Total Repair KitRK 009M1-T0091-1/2"0887269009M1 Total Relief Valve Repair Kit, 009M1 First Check Valve Repair Kit, 009M1 Second Check Valve Repair Kit
Total Repair KitRK 009M1-T0092"0887269009M1 Total Relief Valve Repair Kit, 009M1 First Check Valve Repair Kit, 009M1 Second Check Valve Repair Kit
First Check KitRK 009M1 CK10091-1/4"0887270first check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009M1 CK10091-1/2"0887270first check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009M1 CK10092"0887270first check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M1 CK20091-1/4"0887271second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M1 CK20091-1/2"0887271second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M1 CK20092"0887271second check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009M1 CK1SS0091-1/4"0887272first check assembly, cover O-ring and sensing passage O-ring
First Check KitRK 009M1 CK1SS0091-1/2"0887272first check assembly, cover O-ring and sensing passage O-ring
First Check KitRK 009M1 CK1SS0092"0887272first check assembly, cover O-ring and sensing passage O-ring
Second Check KitRK 009M1 CK2SS0091-1/4"0887273second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M1 CK2SS0091-1/2"0887273second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M1 CK2SS0092"0887273second check assembly, cover O-ring and sensing passage O-ring

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First Check Rubber Parts KitRK 009M1 RC10091-1/4"0887274first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009M1 RC10091-1/2"0887274first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009M1 RC10092"0887274first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M1 RC20091-1/4"0887275second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M1 RC20091-1/2"0887275second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M1 RC20092"0887275second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M1 RV0091-1/4"0887276diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M1 RV0091-1/2"0887276diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M1 RV0092"0887276diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Total Relief Valve KitRK 009M1 VT0091-1/4"0887277RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring

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Total Relief Valve KitRK 009M1 VT0091-1/2"0887277RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring

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Total Relief Valve KitRK 009M1 VT0092"0887277RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring

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Cover KitRK 009M1 C0091-1/4"0887278cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitRK 009M1 C0091-1/2"0887278cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitRK 009M1 C0092"0887278cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Complete Rubber Parts KitRK 009M1 RT0091-1/4"0887280two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Complete Rubber Parts KitRK 009M1 RT0091-1/2"0887280two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Complete Rubber Parts KitRK 009M1 RT0092"0887280two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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First Check Rubber Parts KitRK 009 RC10092-1/2"0887281disc, seat O-ring, cover O-ring and flow tube O-ring
First Check Rubber Parts KitRK 009 RC10093"0887281disc, seat O-ring, cover O-ring and flow tube O-ring
Cover KitRK 009 C0092-1/2"0887282cover, cover O-ring and flow tube O-ring
Cover KitRK 009 C0093"0887282cover, cover O-ring and flow tube O-ring
Total Repair KitRK 009-T0093/4"0887283009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009-T0091"0887283009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009-T0091-1/4"0887284009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit
Total Repair KitRK 009-T0091-1/2"0887284009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit
Total Repair KitRK 009-T0092"0887284009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit
First Check KitRK 009 CK10091/4"0887291check assembly and cover O-ring

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First Check KitRK 009 CK10093/8"0887291check assembly and cover O-ring

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First Check KitRK 009 CK10091/2"0887291check assembly and cover O-ring

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Second Check KitRK 009 CK20091/4"0887292check assembly and cover O-ring

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Second Check KitRK 009 CK20093/8"0887292check assembly and cover O-ring

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Second Check KitRK 009 CK20091/2"0887292check assembly and cover O-ring

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Check Rubber Parts KitRK 009 RC30091/4"0887293disc, cover O-ring and seat O-ring
Check Rubber Parts KitRK 009 RC30093/8"0887293disc, cover O-ring and seat O-ring
Check Rubber Parts KitRK 009 RC30091/2"0887293disc, cover O-ring and seat O-ring
Total Relief Valve KitRK 009 VT0091/4"0887294seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring

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Total Relief Valve KitRK 009 VT0093/8"0887294seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring

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Total Relief Valve KitRK 009 VT0091/2"0887294seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring

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Relief Valve Rubber Parts KitRK 009 RV0091/4"0887295diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK 009 RV0093/8"0887295diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK 009 RV0091/2"0887295diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Cover KitRK 009 C0091/4"0887296cover and cover O-ring
Cover KitRK 009 C0093/8"0887296cover and cover O-ring
Cover KitRK 009 C0091/2"0887296cover and cover O-ring
Complete Rubber Parts KitRK 009 RT0091/4"0887297diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Complete Rubber Parts KitRK 009 RT0093/8"0887297diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Complete Rubber Parts KitRK 009 RT0091/2"0887297diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Total Repair KitRK 009-T0091/4"0887298009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009-T0091/2"0887298009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009-T0092-1/2"0887299009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit
Total Repair KitRK 009-T0093"0887299009 Total Relief Valve Repair Kit, 009 First Check Valve Repair Kit, 009 Second Check Valve Repair Kit
First Check KitRK 009M2 CK10091-1/4"0887300first check assembly, cover O-ring and sensing passage O-ring

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First Check KitRK 009M2 CK10091-1/2"0887300first check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M2 CK20091-1/4"0887301second check assembly, cover O-ring and sensing passage O-ring

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Second Check KitRK 009M2 CK20091-1/2"0887301second check assembly, cover O-ring and sensing passage O-ring

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Total Repair KitRK 009M2-T0093/4"0887302009M2 Total Relief Valve Repair Kit, 009M2 First Check Valve Repair Kit, 009M2 Second Check Valve Repair Kit, Retainer
First Check Rubber Parts KitRK 009M2 RC10091-1/4"0887304first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009M2 RC10091-1/2"0887304first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M2 RC20091-1/4"0887305second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M2 RC20091-1/2"0887305second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M2 RV0091-1/4"0887306diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M2 RV0091-1/2"0887306diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Total Relief Valve KitRK 009M2 VT0091-1/4"0887307RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring

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Total Relief Valve KitRK 009M2 VT0091-1/2"0887307RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring

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Cover KitRK 009M2 C0091-1/4"0887308cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Cover KitRK 009M2 C0091-1/2"0887308cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Complete Rubber Parts KitRK 009M2 RT0091-1/4"0887309two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw
Complete Rubber Parts KitRK 009M2 RT0091-1/2"0887309two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw
Cover KitRK SS009 C0091/2"0887500cover and cover O-ring
Cover KitRK SS009M2/M3 C0091/4"0887501cover and cover O-ring
Cover KitRK SS009M2/M3 C0093/8"0887501cover and cover O-ring
Cover KitRK SS009M2/M3 C0091/2"0887501cover and cover O-ring
Cover KitRK SS009M2/M3 C0093/4"0887501cover and cover O-ring
Cover KitRK SS009 C0091"0887502cover and cover O-ring
Total Relief Valve KitRK SS009 VT0091"0887503seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
First Check KitRK SS009 CK10091/2"0887505check assembly and cover O-ring
Second Check KitRK SS009 CK20091/2"0887506check assembly and cover O-ring
First Check Rubber Parts KitRK SS009 RC10091/2"0887507disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009 RC20091/2"0887508disc, cover O-ring and seat O-ring
Total Relief Valve KitRK SS009 VT0091/2"0887509seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Relief Valve Rubber Parts KitRK SS009 RV0091/2"0887510diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring

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Complete Rubber Parts KitRK SS009 RT0091/2"0887511diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
First Check KitRK SS009M2/M3 CK10091/4"0887515check assembly and cover O-ring

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First Check KitRK SS009M2/M3 CK10093/8"0887515check assembly and cover O-ring

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First Check KitRK SS009M2/M3 CK10091/2"0887515check assembly and cover O-ring

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First Check KitRK SS009M2/M3 CK10093/4"0887515check assembly and cover O-ring

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Second Check KitRK SS009M2/M3 CK20091/4"0887516check assembly and cover O-ring
Second Check KitRK SS009M2/M3 CK20093/8"0887516check assembly and cover O-ring
Second Check KitRK SS009M2/M3 CK20091/2"0887516check assembly and cover O-ring
Second Check KitRK SS009M2/M3 CK20093/4"0887516check assembly and cover O-ring
First Check Rubber Parts KitRK SS009M2 RC10093/4"0887517disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009M2 RC20093/4"0887518disc, cover O-ring and seat O-ring
Relief Valve Rubber Parts KitRK SS009M2/M3 RV0091/4"0887519diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK SS009M2/M3 RV0093/8"0887519diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK SS009M2/M3 RV0091/2"0887519diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK SS009M2/M3 RV0093/4"0887519diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Total Relief Valve KitRK SS009M2/M3 VT0091/4"0887520seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Total Relief Valve KitRK SS009M2/M3 VT0093/8"0887520seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Total Relief Valve KitRK SS009M2/M3 VT0091/2"0887520seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Total Relief Valve KitRK SS009M2/M3 VT0093/4"0887520seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Complete Rubber Parts KitRK SS009M2 RT0091/4"0887521diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M2 RT0093/8"0887521diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M2 RT0091/2"0887521diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M2 RT0093/4"0887521diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
First Check KitRK SS009 CK10091"0887525check assembly and cover O-ring
Second Check KitRK SS009 CK20091"0887526check assembly and cover O-ring
First Check Rubber Parts KitRK 009 RC10091"0887527disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK 009 RC20091"0887528disc, cover O-ring and seat O-ring
Relief Valve Rubber Parts KitRK SS009 RV0093/4"0887529diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Relief Valve Rubber Parts KitRK SS009 RV0091"0887529diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Complete Rubber Parts KitRK SS009 RT0091"0887530diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
First Check KitRK 009M2 CK10092"0887540first check assembly, cover O-ring and sensing passage O-ring
Second Check KitRK 009M2 CK20092"0887541second check assembly, cover O-ring and sensing passage O-ring
First Check Rubber Parts KitRK 009M2 RC10092"0887542first check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Second Check Rubber Parts KitRK 009M2 RC20092"0887543second check assembly O-ring, disc holder assembly, cover O-ring and sensing passage O-ring
Relief Valve Rubber Parts KitRK 009M2 RV0092"0887544diaphragm, seat O-ring, cover O-ring and sensing passage O-ring
Total Relief Valve KitRK 009M2 VT0092"0887545RV assembly, seat, seat O-ring, cover O-ring, sensing passage O-ring and upper stem O-ring and RV spring
Cover KitRK 009M2 C0092"0887546cover, cover O-ring, sensing passage O-ring, bleed screw O-ring, vent hood and bleed screw
Complete Rubber Parts KitRK 009M2 RT0092"0887547two check assembly O-rings, two disc assemblies, one cover O-ring, one RV diaphragm, one RV seat O-ring, one sensing passage O-ring, one diaphragm plate O-ring, one RV lower stem O-ring, one RV upper stem O-ring, one RV disc assembly and one bleed screw

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Total Relief Valve KitRK 009M2 VT0091"0887785seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Relief Valve Rubber Parts KitRK 009M2 RV0091"0887786diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Complete Rubber Parts KitRK 009M2 RT0091"0887787diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Cover KitRK 009M2 C0091"0887788cover and cover O-ring
First Check KitRK 009 M2 CK10091"0887789check assembly and cover O-ring
Second Check KitRK 009M2 CK20091"0887790check assembly and cover O-ring
First Check Rubber Parts KitRK 009M2 RC10091"0887791disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK 009M2 RC20091"0887792disc, cover O-ring and seat O-ring
Total Repair KitRK 009M2-T0091"0887793009M2 Total Relief Valve Repair Kit, 009M2 First Check Valve Repair Kit, 009M2 Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009M2-T0091-1/4"0887794009M2 Total Relief Valve Repair Kit, 009M2 First Check Valve Repair Kit, 009M2 Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009M2-T0091-1/2"0887794009M2 Total Relief Valve Repair Kit, 009M2 First Check Valve Repair Kit, 009M2 Second Check Valve Repair Kit, Retainer
Total Repair KitRK 009M2-T0092"0887795009M2 Total Relief Valve Repair Kit, 009M2 First Check Valve Repair Kit, 009M2 Second Check Valve Repair Kit
First Check KitRK 009M3 CK10093/4"0888520check assembly and cover O-ring
Second Check KitRK 009M3 CK20093/4"0888521check assembly and cover O-ring
Check Rubber Parts KitRK 009M3 RC30093/4"0888522disc, cover O-ring and seat O-ring
Relief Valve Rubber Parts KitRK 009M3 RV0093/4"0888523diaphragm, disc assembly, stem O-rings, seat O-ring and cover O-ring
Total Relief Valve KitRK 009M3 VT0093/4"0888524seat, seat O-ring, stem & diaphragm assembly, stem O-ring, cover O-ring and RV spring
Cover KitRK 009M3 C0093/4"0888525cover and cover O-ring
Complete Rubber Parts KitRK 009M3 RT0093/4"0888526diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring

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Total Repair KitRK 009M3-T0093/4"0888527009M3 Total Relief Valve Repair Kit, 009M3 First Check Valve Repair Kit, 009M3 Second Check Valve Repair Kit, Retainer
First Check Rubber Parts KitRK SS009M3 RC10091/4"0888595disc, cover O-ring and seat O-ring
First Check Rubber Parts KitRK SS009M3 RC10093/8"0888595disc, cover O-ring and seat O-ring
First Check Rubber Parts KitRK SS009M3 RC10091/2"0888595disc, cover O-ring and seat O-ring
First Check Rubber Parts KitRK SS009M3 RC10093/4"0888595disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009M3 RC20091/4"0888596disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009M3 RC20093/8"0888596disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009M3 RC20091/2"0888596disc, cover O-ring and seat O-ring
Second Check Rubber Parts KitRK SS009M3 RC20093/4"0888596disc, cover O-ring and seat O-ring
Complete Rubber Parts KitRK SS009M3 RT0091/4"0888597diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M3 RT0093/8"0888597diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M3 RT0091/2"0888597diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Complete Rubber Parts KitRK SS009M3 RT0093/4"0888597diaphragm, two disc assemblies, stem O-rings, cover O-ring, two seat O-rings and RV seat O-ring
Retainers99AB470091/4"1047053Retainer
Retainers99AB470093/8"1047053Retainer
Retainers99AB470091/2"1047053Retainer
Retainers99CA47-P0093/4"1047114Retainer
Retainers99CA47-P0091"1047114Retainer
Retainers99BA470093/4"1047394Retainer
Retainers99EA470091-1/4"1047401Retainer
Retainers99EA470091-1/2"1047401Retainer

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USC Cross-Connections in Household Plumbing Systems Study

There are a number of potential cross-connections in household plumbing systems that must be protected against backflow. To learn more about these hazards and to download a recent study from USC on cross-connections in household plumbing systems,

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