{"product_id":"oem-goodman-view-port-bushing-for-dmp100-42aa-furnace-b1392139","title":"OEM Goodman View Port Bushing for DMP100-42AA Furnace — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is the genuine OEM sight-glass grommet that seals the flame-inspection port on \u003cstrong\u003eDMP100-42AA\u003c\/strong\u003e downflow\/multi-position gas furnaces. This small but essential fitting keeps the burner compartment sealed while allowing a clean view of the flame during service, preventing air leaks that can disrupt combustion and trip safety limits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e B1392139\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e View port \/ sight-glass bushing (grommet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temperature molded polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman DMP100-42AA and compatible DMP-series furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Flame observation port seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e This is the factory Goodman component, molded to the exact port diameter for a leak-free press fit. Universal grommets often sit loose or degrade under repeated heat cycling, allowing combustion-air leakage. The OEM bushing is engineered for the furnace's operating temperatures and long service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Easy (1\/5) — press the old bushing out and the new one in; no tools or wiring required. Always shut off power and gas before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058014011763,"sku":"GOODMAN-9515","price":7.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-dmp100-42aa-furnace-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}