{"product_id":"astoria-straight-heat-exchanger-1","title":"Astoria Straight Heat Exchanger","description":"\u003cp\u003e\u003cstrong\u003eAstoria Straight Heat Exchanger\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe oldest version of this heat exchanger, no longer in production. This is limited old-stock inventory that has been sitting for roughly two decades, so units show heavy surface oxidation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBILITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits: older Astoria boiler assemblies using the straight-style heat exchanger (discontinued, not interchangeable with later curved versions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eModerate DIY-to-professional difficulty; recommend a qualified technician for boiler plumbing work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRO TIPS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis is old-stock inventory, not a fresh production run, expect heavy surface oxidation from two decades on the shelf. It's still a functional heat exchanger core, but plan to clean it up before installing, and confirm your boiler uses the straight (not curved) style before ordering, since this discontinued version is not interchangeable with later designs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Espresso Parts","offers":[{"title":"Default Title","offer_id":39289635635387,"sku":"AS_71","price":97.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/8282\/9755\/products\/AS_71.png?v=1785179499","url":"https:\/\/www.espressoparts.mom\/products\/astoria-straight-heat-exchanger-1","provider":"Espresso Parts","version":"1.0","type":"link"}