About the product
- SURE-VENT PVC AIR ADMITTANCE VALVE: Provides the ideal venting solution for island sinks, remote bathroom groups, and remodel jobs by eliminating the need to be connected directly into the stack vent
- EQUALIZES PRESSURE: Keeps the sewer and atmospheric pressures equalized, allowing water to drain freely
- ONE-WAY VALVE: Allows air to enter the plumbing drainage system when negative pressures develop without the use of a vent extended to open air and to prevent sewer gases from escaping into the building
- SENSITIVE TO PRESSURE CHANGES: Closes by gravity and seals the vent terminal at zero differential pressure (no flow conditions) and under positive internal pressures
- SPECIFICATIONS: 1.5" x 2" size is approved to handle up to 3" vent pipe and has a 24 DFU (Drainage Fixture Unit) capacity, and complies to ASSE (American Society of Safety Engineers) Standard 1050 and 1051 for use a secondary vent
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