{"product_id":"oem-goodman-10-in-no-pressure-switch-for-gmh950453bxae-20197308","title":"OEM Goodman -.10 in. NO Pressure Switch for GMH950453BXAE — 20197308","description":"\u003ch2\u003eGoodman 20197308 Pressure Switch -.10\" NO\u003c\/h2\u003e\u003cp\u003eThe Goodman 20197308 is a genuine OEM air-proving pressure switch for the \u003cstrong\u003eGMH950453BXAE\u003c\/strong\u003e gas furnace. Set to actuate at \u003cstrong\u003e-0.10 in. water column\u003c\/strong\u003e and wired \u003cstrong\u003enormally open (NO)\u003c\/strong\u003e, it confirms the inducer draft is pulling correctly before the control board allows ignition — a core safety interlock that prevents firing without proper venting.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Negative-pressure draft-proving switch\u003c\/li\u003e\n\u003cli\u003eSet point: -0.10 in. W.C.\u003c\/li\u003e\n\u003cli\u003eContact configuration: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMH950453BXAE and select furnaces\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20197308\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (Amana compatible)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eSet point accuracy is everything with a pressure switch. The \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e 20197308 is factory-calibrated to -.10\" W.C. for the GMH950453BXAE, so it proves draft reliably without nuisance lockouts. Generic switches with an approximate set point are a common source of intermittent ignition failures. OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty: Easy\u003c\/h3\u003e\u003cp\u003eAbout 15 minutes. Cut power, note and transfer the two spade terminals, remove the mounting screws, and reconnect the hose to the correct port. Confirm the switch closes on a heat call after install.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058112184691,"sku":"GOODMAN-11137","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-10-in-no-pressure-switch-for-gmh950453bxae-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}