{"product_id":"oatey-1-1-2-in-to-2-in-air-admittance-valve-in-white-39238","title":"Oatey 1-1\/2 in. to 2 in. Air Admittance Valve in White - 39238","description":"Oatey Sure-Vent 20 DFU Capacity Air Admittance Valve's one-way valve allows air to enter the plumbing drainage system when negative pressures develop in the piping system. The 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 one 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.\n\n\n\nOatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eSweet Spot technology opens valve at -0.01 psi and seals at 0 psi and above\u003c\/li\u003e\n\u003cli\u003eFor use as a secondary vent\u003c\/li\u003e\n\u003cli\u003eOne size approved to handle up to 3\" vent pipe\u003c\/li\u003e\n\u003cli\u003eOpens\/closes as needed by building's plumbing system\u003c\/li\u003e\n\u003cli\u003eVents up to 160 DFU Branch or 24 DFU Stack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Oatey","offers":[{"title":"Default Title","offer_id":43931383889971,"sku":"CHEM39238","price":30.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/81SnSMk3tlL.jpg?v=1771876394","url":"https:\/\/plumbing-deals.com\/products\/oatey-1-1-2-in-to-2-in-air-admittance-valve-in-white-39238","provider":"Plumbing Deals","version":"1.0","type":"link"}