{"product_id":"oatey-39239-plastic-air-admittance-valve","title":"Oatey 39239 Plastic Air Admittance Valve","description":"\u003cp\u003eThe purpose of an Air Admittance Valve is to provide a method of allowing air to enter the plumbing drainage system without the use of a vent extended to open air and to prevent sewer gases from escaping into a building. An Air Admittance Valve is a 1-way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. The device shall close by gravity and seal the vent terminal at zero differential pressure (no flow conditions) and under positive internal pressures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplies to ASSE Standard 1050 and 1051\u003c\/li\u003e\n\u003cli\u003eFor use as a secondary vent\u003c\/li\u003e\n\u003cli\u003eOne size approved to handle up to 2 inch vent pipe\u003c\/li\u003e\n\u003cli\u003eOpens\/closes as needed by building's plumbing system\u003c\/li\u003e\n\u003cli\u003eIAPMO listed\u003c\/li\u003e\n\u003cli\u003eCloses through gravity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Oatey","offers":[{"title":"Default Title","offer_id":67927736058088,"sku":"EJD4509683","price":25.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/4723\/9400\/files\/4509683.jpg?v=1792230174","url":"https:\/\/www.autopartsandstuff.com\/products\/oatey-39239-plastic-air-admittance-valve","provider":"Auto Parts and Stuff","version":"1.0","type":"link"}