Watts 3/4" MPT Vacuum Relief Valve

• Brand Name | Watts
• Model | 3/4 LFN36M1
• UPC | 098268450415

Watts vacuum relief valve prevents vacuum conditions which could siphon the water from the system and in turn burn out a heater or even collapse a tank. A relief valve automatically vents a closed system to atmosphere levels, and thereby permitting air to enter the pipe.