{"product_id":"oem-goodman-6-cell-heat-exchanger-for-gds81155cxa-2921308s","title":"OEM Goodman 6-Cell Heat Exchanger for GDS81155CXA — 2921308S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 2921308S 6-Cell Heat Exchanger\u003c\/strong\u003e is a genuine OEM clamshell assembly engineered for \u003cstrong\u003eGDS81155CXA\u003c\/strong\u003e gas furnaces. This is the heart of the furnace — combustion gases travel through its six steel cells while return air passes over them, transferring heat to your home and keeping flue gases fully separated from the breathing air. A cracked or rusted-through exchanger is a carbon-monoxide hazard and must be replaced immediately.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 2921308S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 6-cell clamshell heat exchanger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e GDS81155CXA (115,000 BTU input class)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminized steel cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman Genuine OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eGenuine Goodman OEM\u003c\/strong\u003e exchanger matches the exact cell geometry, metallurgy, and burner alignment the furnace was certified with — essential for correct flame impingement, efficiency, and a valid warranty. We do not recommend generic exchangers for a combustion-safety component of this importance.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProfessional Only (★★★★★).\u003c\/strong\u003e Replacement requires near-complete furnace teardown — removing burners, gas valve, manifold, and blower — followed by combustion setup and CO testing. This job must be performed by a licensed HVAC technician; improper installation risks fire and carbon-monoxide exposure.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058077450611,"sku":"GOODMAN-10359","price":755.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-6-cell-heat-exchanger-for-gds81155cxa-2921308s","provider":"National HVAC Parts","version":"1.0","type":"link"}