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Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve …
4.5 (73 items)
Limited Time SaleUntil the end
08
36
47
$33.77 cheaper than the new price!!
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New $67.55
Product details
| Management number | 203839736 | Release Date | 2025/10/20 | List Price | $33.78 | Model Number | 203839736 | ||
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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 carbon filter to reduce plumbing drainage system odors.
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