Watts® LFN36-M1-1/2 Lead Free Water Service Vacuum Relief Valve, 1/2"

Used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank equipment. It consists of a lead free brass body construction with npt male inlet connection, and a protective cap.

• 1/2"
• Lead free
• Allows air to enter a closed system to automatically relieve vacuum conditions which could siphon the water from the system, burn out a water heater or collapse a tank
• Carded.

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