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Water Safety & Flow Control


N360, N360I

Vacuum Relief Valves


Replacement Product: LFN360, LFN360I


1/2, 3/4 in. (15, 20mm)


Series N360, N360I Vacuum Relief Valves are designed for automatic venting of closed systems to atmosphere when a vacuum is created. The N360 permits air to enter and prevent vacuum conditions that could siphon the water from the system, resulting in collapse of a tank or water heater or equipment burn out. They consist of a brass body construction and a low profile design. Series N360, N360I can be mounted in a horizontal or vertical position and are tested and rated to ANSI Z21.22, and are CSA certified. Model N360 comes with 1/2 in. or 3/4 in. male NPT connection. Model N360I comes with 3/4 in. MNPT x 3/4 in. FNPT connections. Maximum Steam Working Pressure: 15psi (103 kPa).

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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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Additional Information

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Click here for informative resources to help you protect against these dangers.

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