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Posted 20 hours ago

Oatey 39017 Sure-Vent Air Admittance Valve with 1-1/2-Inch by 2-Inch PVC Adapter Bulk Pack, 2-Inch,White

£9.9£99Clearance
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About this deal

We are bound by the terms and conditions of our carriers therefore we cannot pursue a claim if these instructions are not followed:-

We deliver throughout the UK and overseas using a trusted third-party distribution network. Delivery is to kerbside or letterbox only. For these reasons, using an AAV requires less labor and supplies, making it a more affordable option than running vent pipe in new construction applications.

AAVs allow air to enter a plumbing drainage system when negative pressure develops in the piping system (because of the flow of water). When pressure in the system is equalized (indicating that no water is flowing), gravity closes the vent terminal, preventing sewer gases from escaping into a building. AAVs open and close in conjunction with normal DWV system operation, which eliminates the need to create another roof penetration. Many homeowners prefer not to vent through the roof line for design and aesthetic purposes, too. Additionally, having less roof penetrations can reduce the risk of leaks over time. 3. To save money

Plumbing Drain-Waste-Vent systems, known as DWV, consist of drain pipes that provide a network for the removal of waste, as well as vent pipes that prevent unwanted gas from escaping inside the building. Vent pipes also maintain the necessary balance of pressure to allow water to flow.

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