{"product_id":"honeywell-is20329-5562-furnace-pressure-switch-for-safe-airflow-monitoring-in-hvac-systems","title":"Honeywell IS20329-5562 Furnace Pressure Switch for Safe Airflow Monitoring in HVAC Systems","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Honeywell IS20329-5562 is a furnace pressure switch designed to monitor and verify proper airflow within HVAC systems. It ensures safe operation by detecting pressure changes and enabling system functions only under correct conditions. This component is critical for maintaining combustion safety and system efficiency in residential heating equipment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS20329-5562\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir Pressure Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGas furnace systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDifferential pressure sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBracket mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpade terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Port Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual hose ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial-grade plastic housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAirflow verification and safety control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResidential HVAC heating systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan\u003eIS20329-5562\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"917\" data-start=\"376\"\u003eThe IS20329-5562 is a pressure switch manufactured by Honeywell for use in gas furnace applications. It is engineered to sense differential air pressure created by the inducer motor, confirming proper venting before ignition occurs. Built with durable materials and precise calibration, the switch provides reliable performance in demanding HVAC environments. It is commonly used as a replacement component in residential furnace systems, ensuring safe startup sequences and protection against airflow-related faults.\u003c\/p\u003e\n\u003cp data-end=\"937\" data-start=\"919\"\u003e\u003cstrong data-end=\"935\" data-start=\"919\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1799\" data-start=\"938\"\u003e\n\u003cli data-end=\"1031\" data-start=\"938\"\u003eAir Pressure Monitoring: Detects proper airflow and venting conditions within the furnace\u003c\/li\u003e\n\u003cli data-end=\"1123\" data-start=\"1032\"\u003eSafety Interlock Function: Prevents ignition if unsafe pressure conditions are detected\u003c\/li\u003e\n\u003cli data-end=\"1199\" data-start=\"1124\"\u003eHVAC System Compatibility: Designed for use in residential gas furnaces\u003c\/li\u003e\n\u003cli data-end=\"1283\" data-start=\"1200\"\u003ePrecision Calibration: Ensures accurate pressure sensing for reliable operation\u003c\/li\u003e\n\u003cli data-end=\"1364\" data-start=\"1284\"\u003eDurable Construction: Built for long-term use in heating system environments\u003c\/li\u003e\n\u003cli data-end=\"1451\" data-start=\"1365\"\u003eInducer Motor Integration: Works in conjunction with furnace draft inducer systems\u003c\/li\u003e\n\u003cli data-end=\"1539\" data-start=\"1452\"\u003eOEM Replacement Design: Suitable for replacing original Honeywell pressure switches\u003c\/li\u003e\n\u003cli data-end=\"1620\" data-start=\"1540\"\u003eCompact Form Factor: Enables easy installation in tight furnace compartments\u003c\/li\u003e\n\u003cli data-end=\"1713\" data-start=\"1621\"\u003eReliable Switching Mechanism: Provides consistent open\/close operation based on pressure\u003c\/li\u003e\n\u003cli data-end=\"1799\" data-start=\"1714\"\u003eTubing Connection Ports: Designed for secure attachment to pressure sensing lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1926\" data-start=\"1801\"\u003eThe IS20329-5562 delivers the reliability and precision required for safe airflow verification and furnace operation control.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49104771678464,"sku":"IS20329-5562","price":76.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_a406c2d9-ba66-4047-a7b0-dc39fb30ea99.webp?v=1785532571","url":"https:\/\/alotechparts.com\/products\/honeywell-is20329-5562-furnace-pressure-switch-for-safe-airflow-monitoring-in-hvac-systems","provider":"Alo Tech Solutions","version":"1.0","type":"link"}