STUDOR® MAXI-VENT® 20342 Air Admittance Valve, 3 in, 4 in, Push-Fit, 20 to 500 DFU, ABS

Air Admittance Valves
289610 MFG #: 20342
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STUDOR® MAXI-VENT® 20342 Air Admittance Valve, 3 in, 4 in, Push-Fit, 20 to 500 DFU, ABS

The Studor® Maxi-Vent air admittance valve with push-fit rubber connector offers a simple drain and waste venting solution. Designed for use as an individual, branch, circuit or stack vent, the Maxi-Vent can fit both 3 and 4 in pipes. This one-way valve automatically opens and takes in fresh air when negative pressure (suction) occurs from a fixture discharging into the plumbing system. When the water flow stops, the Maxi-Vent closes naturally due to gravity, preventing the circulation of any bad bathroom or drain odors.

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  • Features
  • The unique design of the Studor® MAXI-VENT® provides plumbing ventilation to prevent the loss of water seals in traps without the need for costly roof penetration and vent piping
  • Can be used as an individual, branch, circuit or stack vent
  • Will vent up to 500 DFUs on a stack, fits 3 in and 4 in pipe sizes
  • Reduces the number of fire stopping applications
  • Exclusive vermin protection system
  • Residential or commercial use
  • Expands architectural design limits
  • STANDARD_APPROVALS: ANSI/ASSE 1051, 1050 Specified|NSF 14 Specified|ICC-ES PMG-1025 Specified|C-IAPMO Specified