Studor 20297


Air Admittance Valve, ABS, Black

20297 1609912
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ItemAir Admittance Valve
Material of ConstructionABS
Pipe Dia. (In.)3 OR 4
Height (In.)6
Length (In.)3-1/2
For Use With Filtering Sewer Gas
Standards UV Rated
Package Quantity 1
Weight 0.850000


Air Admittance Valve, Maxi-Filtra(TM), Material of Construction ABS, Color/Finish Black, Pipe Dia. (In.) 3 OR 4, Connection Slip, Height (In.) 6, Length (In.) 3-1/2, For Use With Filtering Sewer Gas, Standards UV Rated

Air Admittance Valves
  • Allow air to enter DWV systems to equalize pressure when water drains out of the system; eliminate the need for costly roof penetrations and vent piping. 1ATD5 vents up to 500 DFUs on a stack; 1ATD6 vents up to 160 DFUs on a branch and up to 24 DFUs on a stack. 15W940 has a replaceable cabon filter to reduce plumbing drainage system odors.
  • 1ATD5 and 1ATD6 meet ASSE 1050/1051 and NSF 14.
  • Use as individual, branch, circuit, or stack vents

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