{"product_id":"pressure-switch-1-75-psi","title":"Raypak Genuine OEM Direct Mount Pressure Switch, 1.75 psi","description":"\u003cp\u003eThe Raypak 006737F is a direct mount pressure switch rated at 1.75 psi. It is a new OEM Raypak part, listed for the R185A, R265A and R335A pool heaters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA heater will not fire until it knows water is moving through it. The pressure switch is what supplies that proof: at 1.75 psi it closes and lets the ignition sequence continue. If it does not close, the heater sits idle no matter what the thermostat asks for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis version mounts straight onto the header, so there is no remote bracket or sensing tube to route.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiagnosis first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBefore condemning the switch, confirm the filter is clean, the valves are open and the pump is priming and holding prime. Low flow from any of those causes produces the same symptom as a failed switch.\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":48625735401684,"sku":"RAY-151-3716","price":55.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7203bd35-2a87-47c9-a7ed-09e56e105641.jpg?v=1788690281","url":"https:\/\/www.activepoolsupply.com\/products\/pressure-switch-1-75-psi","provider":"Active Pool Supply","version":"1.0","type":"link"}