{"product_id":"air-admittance-valves","title":"Air Admittance Valves","description":"Air Admittance Valves (AAVs) allow air to freely enter your sanitary pipework system whilst preventing foul gases from escaping into the building. Suitable for 32-110mm waste and soil pipes, these valves eliminate the need to penetrate your roof, saving on installation costs and labour expenses.\n\nBy maintaining trap and seal integrity, AAVs prevent water loss and reduce the requirement for additional pipes and fittings. An environmentally conscious solution that keeps your plumbing system functioning efficiently without releasing harmful gases into your home.","brand":"Fernco","offers":[{"title":"Default Title","offer_id":59959583342926,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/6153\/8638\/files\/AAVLifestyle2.jpg?v=1782309008","url":"https:\/\/hallsbuildingsupplies.co.uk\/products\/air-admittance-valves","provider":"Halls Building Supplies","version":"1.0","type":"link"}