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Series LFN36 Lead Free* Water Service Vacuum Relief Valves are 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
Maintain an uninterrupted supply of fresh bait for at least 15 days or until there are no longer signs of new feeding by house mice
Can be used as a supply or exhaust air diffuser
Adjustable from 6” to 12” (152mm to 305mm) inside measurement
This air gap for reduced pressure zone assembly
1/2-IN. X CLOSE 6-IN. BLACK STEEL PIPE NIPPLE SET (66 PCS) B-VENT PIPE Series LFN36 Lead Free* Water1 2 IN. X CLOSE 6 IN. BLACK STEEL PIPE NIPPLE SET (66 PCS)
US$ 89.95
US$ 175.00
US$ 175.00
