{"product_id":"oem-goodman-0-35-wc-pressure-switch-for-gmph075-4-b1370133","title":"OEM Goodman -0.35\" WC Pressure Switch for GMPH075-4 — B1370133","description":"\u003ch2\u003eGoodman B1370133 Furnace Pressure Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370133 is a genuine OEM draft\/air-proving pressure switch engineered for the \u003cstrong\u003eGMPH075-4\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana platforms. It monitors induced-draft airflow and confirms the venting system is clear before allowing the ignition sequence to proceed, protecting your equipment and household from unsafe combustion conditions. This switch trips at a factory-set \u003cstrong\u003e-0.35\" water column\u003c\/strong\u003e and uses a \u003cstrong\u003enormally open (NO)\u003c\/strong\u003e contact configuration.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSet point: -0.35\" WC (negative pressure)\u003c\/li\u003e\n\u003cli\u003eContact type: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Draft \/ air-proving safety switch\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMPH075-4 and select GMP\/GMPH series\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370133\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e switch is calibrated and tested to the exact -0.35\" WC set point specified by the manufacturer, guaranteeing correct trip behavior and a bolt-in fit. Our \u003cstrong\u003eGeneric\u003c\/strong\u003e equivalent meets the same electrical and pressure spec at a lower price point and is ideal for out-of-warranty repairs where budget matters. Both restore full safety-circuit function.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Replacement typically takes 15–20 minutes with basic hand tools. Disconnect power, note the tubing and wire routing, transfer the pressure hose and spade terminals, and mount the new switch. Always verify correct operation and check for negative pressure at the port after install. If you are unsure, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058140725619,"sku":"GOODMAN-12030","price":25.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-0-35-wc-pressure-switch-for-gmph075-4-b1370133","provider":"National HVAC Parts","version":"1.0","type":"link"}