{"product_id":"pentair-460745-air-orifice-kit-for-model-250-btu-heater","title":"Pentair Air Orifice Kit for Model 250 BTU Heater","description":"\u003cp\u003ePentair 460745 is the air orifice kit for the model 250 BTU pool heater. It is the genuine Pentair part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the size matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOrifices meter the flow into the burner, and the sizing is specific to the heater it was designed for. Fitting a kit intended for a different BTU rating changes the mixture, so the first step is confirming that the heater on the pad is the 250.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen it is fitted\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is a burner service part rather than routine maintenance. It goes in when the orifices are being renewed as part of work on the burner assembly.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627192430804,"sku":"PUR-151-0745","price":65.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_35cd4b8b-055c-42c8-a030-275be994a20b.jpg?v=1788719990","url":"https:\/\/www.activepoolsupply.com\/products\/pentair-460745-air-orifice-kit-for-model-250-btu-heater","provider":"Active Pool Supply","version":"1.0","type":"link"}