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Air Admittance Valves

Air admittance valves replace expensive and complex plumbing vent systems that penetrate the roofs of most homes, offices, factories and warehouses. The vent pipes allow air to enter the plumbing systems and equalize pressure when water drains out of the system, maintaining the water seal that prevents sewer gases from entering the building. Air admittance valves are usually suitable for installation on PVC or ABS pipes and can be used as an individual branch, circuit or stack vent.

Studor Mini-Vent with PVC Connector Studor Mini Vent Price: $31.80 $25.52 You Save: $6.28 (20%)	Studor Maxi-Vent Studor Maxi Vent Price: $49.10 $41.50 You Save: $7.60 (15%)	Studor Mini-Vent with ABS Connector Studor Mini Vent Color: Black Price: $31.80 $26.87 You Save: $4.93 (16%)
Studor Recess Box (20306) Studor 20306 Price: $16.25 $13.73 You Save: $2.52 (16%)	Studor MAXI-CAP (20398) Studor 20398 Price: $21.85 $18.46 You Save: $3.39 (16%)	Bell and Gossett 112010 ATF-12 Airtrol Fitting Bell and Gossett 112010 Price: $95.94 $81.55 You Save: $14.39 (15%)
Bell and Gossett 113021 87 Auto Air Vent Air Valve Bell and Gossett 113021 Price: $82.22 $69.89 You Save: $12.33 (15%)