{"product_id":"york-025-36388-003-pressure-switch","title":"York 025-36388-003 Pressure Switch","description":"\u003cp\u003eThe \u003cstrong\u003eYork \u003cspan\u003e025-36388-003\u003c\/span\u003e\u003c\/strong\u003e is a critical safety component designed for precise monitoring of combustion blower performance in residential HVAC systems. This \u003cstrong\u003ePS80-04-F0312\u003c\/strong\u003e model functions as an inductive load pressure switch, ensuring the draft inducer motor establishes proper static pressure before the ignition sequence begins. Engineered specifically for \u003cstrong\u003efurnace pressure switch replacement\u003c\/strong\u003e applications, this OEM component prevents hazardous operation by opening the electrical circuit if the vent system or heat exchanger encounters a blockage or restricted airflow. As a high-precision \u003cstrong\u003eHVAC pressure differential switch\u003c\/strong\u003e, it accounts for small variations in air density to maintain reliable ignition cycles across the equipment's lifespan. When diagnosing a \u003cstrong\u003eYork inductive load switch\u003c\/strong\u003e, technicians must verify the diaphragm's integrity against the factory-set inches of water column (WC) rating. Utilizing this \u003cstrong\u003eOEM York replacement part\u003c\/strong\u003e ensures the system adheres to original safety standards, effectively preventing the burner from firing under unsafe venting conditions, which remains a vital requirement for professional heating system maintenance and repair protocols.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecise factory-calibrated set points ensure accurate \u003cstrong\u003efurnace inducer switch\u003c\/strong\u003e operation under various load conditions.\u003c\/li\u003e\n\u003cli\u003eDirect \u003cstrong\u003eOEM York replacement part\u003c\/strong\u003e ensures seamless integration with existing control boards and wiring harnesses.\u003c\/li\u003e\n\u003cli\u003eConstructed with high-grade diaphragm materials to maintain sensitivity over extended service intervals in high-heat environments.\u003c\/li\u003e\n\u003cli\u003eReliable electrical contact points designed to handle inductive loads without carbon tracking or premature failure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the symptoms of a failing \u003cspan\u003e025-36388-003\u003c\/span\u003e?\u003c\/strong\u003e Common indicators include the inducer running without the igniter glowing, or diagnostic LEDs flashing a code for \"Pressure Switch Open.\" Always verify that the vent pipe is clear and the condensate lines are not backed up before replacing the switch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the PS80-04-F0312 compatible with other Johnson Controls units?\u003c\/strong\u003e Yes, this switch is frequently found in various \u003cstrong\u003eYork, Coleman, and Luxaire\u003c\/strong\u003e furnaces. Always verify the part number against your specific unit's wiring diagram or data plate to ensure exact compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I test a furnace pressure switch during a service call?\u003c\/strong\u003e Use a manometer to check the draft pressure against the switch's rating while checking for continuity across the terminals when the inducer is at full speed.\u003c\/p\u003e\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":"York","offers":[{"title":"Default Title","offer_id":42316331614386,"sku":"025-36388-003","price":34.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_98297d44-9090-4b8d-8717-4abdb5f5280b.png?v=1788483610","url":"https:\/\/www.gsistore.com\/products\/york-025-36388-003-pressure-switch","provider":"GSIstore","version":"1.0","type":"link"}