{"product_id":"studor-20341-mini-vent-dwv-air-admittance-valve-1-1-2-or-2-in-pvc-adapter","title":"Studor 20341 Mini-Vent DWV Air Admittance Valve, 1-1\/2 or 2 in. PVC Adapter","description":"\u003cp\u003eThe Studor 20341 Mini-Vent is an air admittance valve (AAV) designed for use in residential and commercial plumbing systems as an alternative to conventional venting through the roof. It fits 1-1\/2 inch or 2 inch pipe sizes and includes a PVC adapter. The valve operates by allowing air to enter the drainage system when negative pressure occurs to prevent the loss of water seals in traps, then closes by gravity to prevent sewer gases from escaping. It is listed to ASSE 1051, ASSE 1050, and NSF 14 standards and features an exclusive vermin protection system. The valve is primarily made of white PVC plastic\u003c\/p\u003e","brand":"Studor","offers":[{"title":"Default Title","offer_id":45537923301562,"sku":"509778","price":29.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/509778_ai.jpg?v=1769196617","url":"https:\/\/www.loopstone.net\/products\/studor-20341-mini-vent-dwv-air-admittance-valve-1-1-2-or-2-in-pvc-adapter","provider":"Loopstone Store","version":"1.0","type":"link"}