Maxi-Vent air admittance valve with push-fit rubber connector creates ventilation that prevents the release of foul air from the drainage system and loss of water seals in traps
Designed for use as an individual, branch, circuit, or stack vent; capacity of up to 160 DFUs (drain fixture units) on a branch and 500 DFUs on a stack
Uses gravity to automatically close seal and prevent circulation of unpleasant bathroom or drain odors; exclusive vermin protection system keeps out bugs and foreign objects
Fits 3- or 4-inch piping; complies to ANSI/ASSE 1050 and 1051; temperature rating of -40°F to 150°F (-40°C to 65.6°C); this style air admittance valve is not recognized as a mechanical vent in the International Building Code
Screening on the inside and outside of the Maxi-Vent protects the sealing membrane from foreign objects
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