{"product_id":"oem-goodman-1-4-wc-n-o-pressure-switch-for-gun125-5b-b1370107","title":"OEM Goodman -1.4\" WC N.O. Pressure Switch for GUN125-5B — B1370107","description":"\u003ch2\u003eGoodman B1370107 Air Pressure Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370107 is a genuine OEM air pressure (draft) safety switch engineered for the \u003cstrong\u003eGUN125-5B\u003c\/strong\u003e gas furnace and other compatible Goodman\/Amana models. This normally-open switch monitors combustion airflow and inducer draft, closing at approximately -1.4 inches of water column to allow the ignition sequence to proceed. If venting is blocked or the inducer fails, the switch stays open and locks out the burner to protect your home.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSet point: -1.4\" WC (water column)\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single-pole, normally open (SPST-NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Combustion \/ draft proving safety switch\u003c\/li\u003e\n\u003cli\u003eFitment: Goodman GUN125-5B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370107\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370107\u003c\/strong\u003e is factory-calibrated to the exact -1.4\" WC trip point your furnace expects, ensuring reliable ignition and code-compliant safety operation. Aftermarket universal switches may have a different set point or hose-barb orientation, risking nuisance lockouts. For safety-critical draft proving, we recommend the genuine OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Typically a two-wire disconnect and single-screw swap with the sensing hose reattached. Always shut off gas and power before servicing. If you are unsure, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058190369139,"sku":"GOODMAN-13175","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-1-4-wc-n-o-pressure-switch-for-gun125-5b-b1370107","provider":"National HVAC Parts","version":"1.0","type":"link"}