{"product_id":"oem-goodman-view-port-sight-glass-bushing-for-amh80704bnaa-b1392139","title":"OEM Goodman View Port Sight Glass Bushing for AMH80704BNAA — B1392139","description":"\u003cp\u003eThe Goodman B1392139 is a genuine OEM view-port bushing for the Amana\/Goodman \u003cstrong\u003eAMH80704BNAA\u003c\/strong\u003e gas furnace. This small but essential grommet seats in the burner-box observation window, allowing a technician to safely watch the flame during ignition and combustion while maintaining the sealed integrity of the burner compartment. A cracked, brittle, or missing bushing can let combustion air escape and distort the view port.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: View port \/ sight-glass bushing (grommet)\u003c\/li\u003e\n\u003cli\u003eFunction: Flame observation window seal\u003c\/li\u003e\n\u003cli\u003eMaterial: High-temperature molded polymer\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1392139\u003c\/li\u003e\n\u003cli\u003eFits: AMH80704BNAA and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a precision-molded part sized to the exact view-port opening on the burner box. Generic grommets rarely match the bore diameter and heat rating, resulting in a loose fit or premature cracking near the combustion zone. Because it costs only pennies, there's little reason to choose anything but the correct OEM bushing.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Very Easy (DIY-friendly).\u003c\/strong\u003e With the furnace powered off and cool, pop out the old bushing and press the new B1392139 into the view-port opening until it seats fully. Under 5 minutes, no tools required.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057612603763,"sku":"GOODMAN-5348","price":0.85,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-sight-glass-bushing-for-amh80704bnaa-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}