{"product_id":"oem-goodman-10-in-wc-normally-open-pressure-switch-for-amv90453bxbb-20197308","title":"OEM Goodman -.10 in. WC Normally Open Pressure Switch for AMV90453BXBB — 20197308","description":"\u003ch2\u003eGoodman 20197308 Pressure Switch (-.10\" WC, NO)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e20197308\u003c\/strong\u003e is a genuine OEM single-stage normally-open (NO) pressure switch designed for the \u003cstrong\u003eAMV90453BXBB\u003c\/strong\u003e variable-speed condensing furnace. It verifies proper draft and venting pressure before allowing the ignition sequence, and is a critical safety interlock that helps prevent operation under blocked-vent or condensate-backup conditions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Single negative pressure switch, Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eTrip point: -.10\" WC (inches water column)\u003c\/li\u003e\n\u003cli\u003eContact configuration: Normally open, closes on proving pressure\u003c\/li\u003e\n\u003cli\u003eEquipment: Condensing gas furnace (90%+ AFUE)\u003c\/li\u003e\n\u003cli\u003eFit: AMV90453BXBB and compatible Goodman\/Amana models\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20197308\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 20197308\u003c\/strong\u003e arrives factory-calibrated to the precise -.10\" trip point and uses the correct terminal spacing and sensing-port design for the AMV90453BXBB. Generic switches with an approximate rating can trip early or late, causing nuisance lockouts or bypassing a safety condition. For a listed safety control, OEM is the correct choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5).\u003c\/strong\u003e Disconnect power, move the sensing tube and spade terminals to the new switch, and mount to the existing bracket. Verify correct trip point orientation. Professional installation recommended.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057824547187,"sku":"GOODMAN-7737","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-10-in-wc-normally-open-pressure-switch-for-amv90453bxbb-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}