{"product_id":"mastertemp-250k-natural-gas-heater-iid-asme","title":"Pentair MasterTemp 250K Natural Gas Heater IID ASME, 460771","description":"\u003cp\u003eThe Pentair MasterTemp 460771 is a natural gas pool heater in the 250K class, built to the ASME specification, with electronic ignition, digital temperature control and Low NOx emissions. Its rating falls in the 200,000 to 250,000 BTU band and it is listed for in ground residential pools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eControls and ignition\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIgnition is electronic, an IID system rather than a standing pilot, so there is no continuously burning flame waiting for a call for heat. Temperature is set and read at a digital control panel, and the specification lists a copper heat exchanger.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe ASME caveat, read this before ordering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePentair ASME model heaters do not come with tubes and unions as standard equipment, and those parts are no longer available to purchase. That means this heater is only the right choice if you already have the hookups from a previous Pentair ASME heater and you are sure they will fit. If you are not sure, resolve that before the heater ships, because the pieces cannot be bought after the fact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA complete gas heater ships by freight, not parcel. Expect a curbside delivery and plan for how it will be moved to the equipment pad.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48625844420820,"sku":"PUR-15-0771","price":4329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_932cc024-9c92-4f1b-b155-984565ed61f1.jpg?v=1788701447","url":"https:\/\/www.activepoolsupply.com\/products\/mastertemp-250k-natural-gas-heater-iid-asme","provider":"Active Pool Supply","version":"1.0","type":"link"}