Pressure Relief Valves
1/2, 3/4 in. (15 to 20mm)
Series 53 Pressure Relief Valves are used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, and stainless steel spring. Pressure Range: 75 to 175psi (5.2 to 12.1 bar), Standard Pressure Setting: 75psi (516.7 kPa), Optional Settings: 100, 125, and 150psi (6.9, 8.6, and 10.3 bar); Also available at 50psi (3.45 bar) setting.
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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
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