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AUTO VENT VALVE
JI434792
P21-150
P21-150
"Eliminates expensive secondary vent stacks. Can be used for sinks, basins, tubs, showers, vanities, and washing machines - not to be used for toilets. 1-1/2"" Male pipe threads. Packed 1 per box with installation instructions. Each drainage system using a Mechanical vent must have a main vent stack to atmosphere (through the roof) located so as to vent the water closet. Do not install the mechanical vent in sealed wall cavity - install in a readily accessible location. Installation limited to s
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Item Specifications
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ABS Vent Valve
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1 1/2in MPT
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Automatic Anti-Siphon
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0.10 lbs per EA