{"product_id":"waterway-main-drain-hydrostatic-relief-valve","title":"Waterway Main Drain Hydrostatic Relief Valve","description":"\u003cp\u003eSpring Loaded Hydrostatic Relief Valve \u003c\/p\u003e\r \u003cul\u003e\r \u003cli\u003eRelieves the air and water that can build up under pond liners.\u003c\/li\u003e\r \u003cli\u003eThe hydrostatic relief valve threads into 1-1\/2\" or 2\" bulkhead fittings.\u003c\/li\u003e\r \u003c\/ul\u003e\r \u003cp\u003eA hydrostatic relief valve (commonly referred to as a burp vave) is placed at the bottom of an in-ground pond or swimming pool. Its purpose is to open when excessive ground water pressure builds up allowing the ground water into the pool.\u003c\/p\u003e","brand":"various","offers":[{"title":"Default Title","offer_id":49304936054938,"sku":"CMP-25620000000","price":43.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/9568\/9626\/files\/waterway-main-drain-hydrostatic-relief-valve.jpg?v=1790093688","url":"https:\/\/coretarps.co.uk\/products\/waterway-main-drain-hydrostatic-relief-valve","provider":"My Store","version":"1.0","type":"link"}