{"product_id":"oem-goodman-30-75in-combination-pressure-switch-amv90704cxba-11177113","title":"OEM Goodman -.30\/-.75in Combination Pressure Switch AMV90704CXBA — 11177113","description":"\u003ch2\u003eGoodman 11177113 Combination Pressure Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e11177113\u003c\/strong\u003e is a genuine OEM dual-stage combination pressure switch engineered for the \u003cstrong\u003eAMV90704CXBA\u003c\/strong\u003e variable-speed condensing gas furnace and compatible Amana\/Goodman 90%+ AFUE models. This gray-bodied switch monitors both low-fire and high-fire venting draft, proving safe combustion airflow before the ignition sequence is allowed to proceed. If venting becomes blocked or the inducer fails, the switch opens and locks out the burner to protect your home.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Combination (two-stage) negative-pressure switch\u003c\/li\u003e\n\u003cli\u003eSetpoints: -.30\" WC and -.75\" WC\u003c\/li\u003e\n\u003cli\u003eColor: Gray\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally open, closes on draft\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 11177113\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMV90704CXBA and related two-stage condensing furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eGenuine OEM 11177113\u003c\/strong\u003e is factory-calibrated to the exact -.30\"\/-.75\" trip points your furnace's control board expects, ensuring reliable staging and safe operation. Lower-cost generic switches often carry approximate setpoints that can cause nuisance lockouts or delayed ignition. For a combustion-safety component, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIntermediate.\u003c\/strong\u003e Replacement involves shutting off gas and power, transferring the vinyl sensing tubes to the matching ports, and swapping the electrical spade connectors. Most handy homeowners complete it in 20–30 minutes, but if you are unsure about draft-proving diagnostics we recommend a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057829003635,"sku":"GOODMAN-7760","price":79.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-30-75in-combination-pressure-switch-amv90704cxba-11177113","provider":"National HVAC Parts","version":"1.0","type":"link"}