Watts Water N36

Watts Water

Vacuum Relief Valve, 1/2 In, Brass

N36 70748
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Vacuum Relief Valve, 1/2 In, Brass


ItemVacuum Relief Valve
Inlet/Outlet (In.)1/2
Material of ConstructionBrass
Pressure Range15 to 200 psi
Height (In.)2
Standards ANSI Z21.22, CSA Certified
Weight 0.250000


Vacuum Relief Valve, Inlet/Outlet 1/2 In, MNPT Connection, Material of Construction Brass, Pressure Range 15 To 200 PSI, Standards ANSI Z21.22, CSA Certified

Vacuum Relief, Series N36
  • Automatically vent closed system to atmosphere. Prevent vacuum conditions that could siphon water from the system. For water heaters, supply tanks, unit heaters, and low-pressure steam systems.
  • 6A772 is ANSI Z21.22; CSA Certified. 5DLZ3 is NSF Listed and FDA Approved.
  • Pressure range: 15 to 200 psi Max. temp.: 250 F
  • Calibrated Pressure and Vacuum Relief Valves
  • Calibrated pressure and vacuum relief have a brass body, stainless steel spring, and Buna N disc. Liquid relief valves are bronze and have metal-to-metal seat. Low-lead valves are certified for use in potable water applications.

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