{"product_id":"carrier-hk06nb123-1-81-inch-wc-spst-furnace-air-pressure-switch","title":"Carrier HK06NB123 1.81-Inch WC SPST Furnace Air Pressure Switch","description":"\u003cp\u003e\u003cstrong\u003eDescription \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Carrier HK06NB123 is a furnace air pressure switch designed to monitor system airflow and support safe ignition sequencing. Built to Carrier specifications, it replaces older pressure switch models while maintaining proper combustion operation. The HK06NB123 ensures the furnace activates only when correct draft and pressure conditions are present.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications \u003c\/strong\u003e\u003c\/p\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\u003eCarrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensors \u0026amp; Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHK06NB123\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPST (Single-Pole Single-Throw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.81\" WC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAirflow and draft pressure monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResidential furnace safety circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarrier and BDP furnace systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard spade connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard furnace pressure tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnclosed pressure-actuated switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpens\/closes based on sensed pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombustion safety and airflow verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInformation About HK06NB123\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe HK06NB123 is part of Carrier’s line of furnace pressure switches and is engineered to control airflow verification within the heating system. Featuring a single-pole, single-throw (SPST) design rated at 1.81 inches water column, it responds to changes in draft pressure with reliable switching accuracy. The component integrates readily with compatible Carrier furnaces, using standard tubing and wiring connections for straightforward installation. Commonly applied in residential heating systems, it supports combustion safety and airflow integrity by preventing operation under improper pressure conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.81\" WC rating: Calibrated for proper draft pressure detection in Carrier furnaces.\u003c\/li\u003e\n\u003cli\u003eSPST switch configuration: Provides simple and reliable open\/close control.\u003c\/li\u003e\n\u003cli\u003eSafety interlock function: Ensures furnace operation only under correct airflow conditions.\u003c\/li\u003e\n\u003cli\u003eOEM-compatible design: Matches Carrier specifications for replacement applications.\u003c\/li\u003e\n\u003cli\u003eDurable housing: Resistant to typical furnace heat and environmental conditions.\u003c\/li\u003e\n\u003cli\u003eStandard tubing and terminals: Supports quick installation and service.\u003c\/li\u003e\n\u003cli\u003eAccurate pressure response: Maintains proper combustion and system performance.\u003c\/li\u003e\n\u003cli\u003eSuitable for residential systems: Aligns with common Carrier heating models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HK06NB123 delivers the reliability and precision required for consistent furnace airflow monitoring and safe ignition control.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":47315664666922,"sku":"HK06NB123","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/HK06NB123.webp?v=1704909780","url":"https:\/\/iqelectro.com\/products\/carrier-hk06nb123-1-81-inch-wc-spst-furnace-air-pressure-switch","provider":"IQElectro","version":"1.0","type":"link"}