{"product_id":"nordyne-632425r-pressure-switch","title":"Nordyne 632425R Pressure Switch","description":"\u003cp\u003eThe \u003cstrong\u003eNordyne 632425R\u003c\/strong\u003e is a high-precision \u003cstrong\u003esingle pole single throw (SPST)\u003c\/strong\u003e pressure switch engineered for critical draft proving in \u003cstrong\u003eNordyne, Intertherm, and Miller\u003c\/strong\u003e gas-fired furnaces. This \u003cstrong\u003eOEM replacement induction pressure switch\u003c\/strong\u003e is factory-calibrated to a \u003cstrong\u003e-0.55\" WC\u003c\/strong\u003e setpoint, ensuring the inducer motor maintains the specific vacuum required for safe flue gas venting. Designed with a \u003cstrong\u003e1\/4\" barbed connection\u003c\/strong\u003e for a secure fit to standard pressure tubing, this switch acts as a primary safety limit that prevents ignition if the combustion air blower fails or if a blockage occurs in the venting system.\u003c\/p\u003e\n\n\u003cp\u003eFor service technicians, the \u003cstrong\u003eNordyne 632425R\u003c\/strong\u003e offers a direct drop-in solution for aging or fouled switches, eliminating the need for field adjustments. Its robust internal diaphragm is built to withstand the rigorous cycling of residential and mobile home heating systems. Whether you are troubleshooting a \u003cstrong\u003efurnace pressure switch stuck open\u003c\/strong\u003e error or performing a standard maintenance overhaul, this \u003cstrong\u003e0.55\" WC combustion air switch\u003c\/strong\u003e provides the reliable electrical continuity needed to authorize the ignition sequence under proper pneumatic conditions.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Guaranteed fit for \u003cstrong\u003eNordyne, Intertherm, and Miller\u003c\/strong\u003e furnace models, including those under Maytag and Frigidaire labels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Calibration:\u003c\/strong\u003e Fixed \u003cstrong\u003e-0.55\" WC\u003c\/strong\u003e trip point ensures the system operates within exact manufacturer safety parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Features a high-quality \u003cstrong\u003eSPST contact\u003c\/strong\u003e configuration designed for high-cycle reliability in demanding HVACR environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Standard \u003cstrong\u003e1\/4 inch barbed port\u003c\/strong\u003e and spade terminals allow for rapid field replacement and reduced labor time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the symptoms of a failing Nordyne 632425R pressure switch?\u003c\/strong\u003e\u003cbr\u003e\nCommon signs include the furnace failing to ignite while the inducer motor runs continuously, or diagnostic flash codes indicating \"pressure switch stuck open.\" This often occurs due to diaphragm fatigue or moisture buildup in the sensing line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan this switch replace a different water column (WC) rating?\u003c\/strong\u003e\u003cbr\u003e\nNo. Pressure switches must match the \u003cstrong\u003e-0.55\" WC\u003c\/strong\u003e specification exactly as designated by the appliance manufacturer to ensure the heat exchanger is properly scavenged before ignition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the 632425R compatible with mobile home furnaces?\u003c\/strong\u003e\u003cbr\u003e\nYes, this part is widely utilized in \u003cstrong\u003eMiller and Intertherm\u003c\/strong\u003e mobile home gas furnaces that require a \u003cstrong\u003e-0.55\" WC pressure switch\u003c\/strong\u003e for the draft proving circuit.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"nordyne","offers":[{"title":"Default Title","offer_id":35644878092,"sku":"632425R","price":27.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_837fd955-6350-4033-8d45-d52d3fdd6091.png?v=1789685104","url":"https:\/\/www.gsistore.com\/products\/nordyne-632425r-pressure-switch","provider":"GSIstore","version":"1.0","type":"link"}