Watts Vacuum Relief Valve N36 M1, 1/2" (0138457) (2 Pack)

The Watts brand name is well known. Product quality is their main concern and priority. They put a lot of research in development of their N36 product line including its appearance. Its color is just right for anything you can imagine. Buying Watts Vacuum Relief Valve N36 M1, 1/2" (0138457) (2 Pack) is the best choice you can do!

1/2" (0138457) (2 Pack) The Watts Vacuum Relief Valve N36 M1. Design certified by AGA. Opens at less than 1/2" (15mm) vacuum. Also suitable for steam service. 1/2" or 3/4" (15 or 20 mm). Maximum water working pressure 200 psi (13. 22 Relief Valves and Automatic Gas Shut-Off Devices. Venting capacity. 1/2" size (15 mm) and 3/4" size (20 mm) are 15 cfm (425 lpm). " CGA certified. Allows air to enter the system. Relieves vacuum conditions which could siphon the water from the system and burn out a water heater or collapse a tank. Pressure 15 psi (103. Watts Vacuum Relief Valve N36 M1. NPT male inlet connection. Tested and rated under "ANSI Z21. 1/2" (0138457) Automatically vents a closed system if vacuum occurs. Maximum temperature 250F (121C)