{"product_id":"573009a","title":"Caleffi 573009A 1\/2\" SWT Backflow Preventer with Autofill","description":"\u003cp\u003eThis valve fills 50 percent faster than other valves There are no levers to flip or valve to close Pre calibration the autofill features a pressure setting indicator Anti scale materials the central housing containing the moving parts and the internal compensating spindle are made of a low adhesion coefficient plastic Diaphragm seat seal the useful working surface of the diaphragm is particularly large in order to maintain stable pressure in a system at a preset value regardless of inlet pressure variations Removable filter cartridge the cartridge containing the operating mechanisms, protected by a large surface area strainer is removable Fast filling the autofill fast fills the system to set pressure up to 5-1\/2 GPM filling rate then automatically shuts off the water feed\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":44056075141179,"sku":"573009A","price":173.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/3155\/5131\/files\/u8cys6jprgwe6sdonxxq.jpg?v=1787837015","url":"https:\/\/partstoday.com\/products\/573009a","provider":"PartsToday.com","version":"1.0","type":"link"}