{"product_id":"mcalpine-vp2w-air-admittance-1-1-2-61020050","title":"Mcalpine VP2W AIR Admittance 1.1\/2\" 61020050","description":"\u003cp\u003eThis air admittance valve is suitable for fitting onto 1.1\/2 inch soil and waste pipe systems. It allows air to enter the pipework, which assists with proper drainage and helps reduce the risk of trap siphonage in internal plumbing setups.\u003c\/p\u003e\u003cp\u003eTypically installed on branch lines in kitchens, utility rooms, or bathrooms, the valve is used during both new installations and refurbishments where direct external venting is not possible. It is a practical component for maintaining system reliability in internal soil stacks.\u003c\/p\u003e","brand":"McAlpine","offers":[{"title":"Default Title","offer_id":53110236184912,"sku":"U0099963","price":9.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/a606bf5a63779634fe886c14c43b55da.jpg?v=1780590011","url":"https:\/\/totalsite.supply\/products\/mcalpine-vp2w-air-admittance-1-1-2-61020050","provider":"Total Site Supply UK","version":"1.0","type":"link"}