{"product_id":"oem-goodman-37-wc-no-pressure-switch-for-wgfm195070s3bac-20197312","title":"OEM Goodman -.37\" WC NO Pressure Switch for WGFM195070S3BAC — 20197312","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20197312 Pressure Switch\u003c\/strong\u003e is a factory OEM combustion-safety control for the \u003cstrong\u003eWGFM195070S3BAC\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This \u003cstrong\u003enormally-open\u003c\/strong\u003e switch proves adequate draft before the control board allows ignition, closing at a \u003cstrong\u003e-0.37 in. WC\u003c\/strong\u003e set point when the inducer establishes proper negative pressure.\u003c\/p\u003e\u003cp\u003eWhen a pressure switch drifts out of calibration or fails closed\/open, the furnace throws draft-proving faults, fails to ignite, or lockouts intermittently. An exact-spec OEM replacement restores the correct trip point so the ignition sequence completes reliably.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 20197312\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Air-proving \/ draft pressure switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Point:\u003c\/strong\u003e -0.37 in. WC (water column)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Configuration:\u003c\/strong\u003e Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e WGFM195070S3BAC and select Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003ePressure-switch calibration is measured in hundredths of an inch of water column. Our \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e switch ships at the factory -0.37\" set point your control board is programmed to expect. Universal switches with adjustable or approximate ratings frequently cause false lockouts or, worse, mask a real venting problem. For a safety-critical part, OEM precision is essential.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2.5\/5).\u003c\/strong\u003e About 15 minutes: cut power, transfer the hose and two spade terminals, and mount the new switch in the original orientation. Verify the sensing hose is clear and free of condensate so the switch reads accurate pressure.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058235949427,"sku":"GOODMAN-14307","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-37-wc-no-pressure-switch-for-wgfm195070s3bac-20197312","provider":"National HVAC Parts","version":"1.0","type":"link"}