{"product_id":"trane-cnt2871-integrated-furnace-control-module-for-two-stage-heating-systems","title":"Trane CNT2871 Integrated Furnace Control Module for Two-Stage Heating Systems","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eTrane CNT2871 is an integrated furnace control module designed for compatible two-stage heating systems with variable-speed vent motors and standard four-speed blower configurations. It coordinates ignition, inducer operation, blower sequencing, thermostat inputs, and furnace safety functions through microprocessor-based control.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 82.4353%; height: 585px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eTrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eCNT2871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eFurnace Control Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eIntegrated Furnace Control Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eHeating Stages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eTwo Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eSilicon-Nitride Surface Ignitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eVent Motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eVariable-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eBlower Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eStandard Four-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Voltage Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e25 VAC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eTransformer Secondary Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnitor Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e2.0 A at 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eCirculating Blower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e14.5 FLA, 25.0 LRA at 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Ignition Trial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e4 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnitor Warm-Up\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e20 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003ePrepurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e0 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterpurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003ePostpurge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e5 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eRetries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eRecycle Period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eDiagnostic Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003eRed LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 48.5804%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.1182%; height: 19.5938px;\"\u003e1.00 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About CNT2871\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003e.The CNT2871 is a Trane integrated furnace control used in selected Trane and American Standard furnace platforms. It is configured for two-stage heat operation and uses a silicon-nitride surface ignitor with a variable-speed vent motor. The controller monitors pressure-switch and operating feedback while controlling the inducer, ignition, circulating blower, humidifier, and electronic air-cleaner connections. Its onboard timing and diagnostic functions manage ignition trials, purge periods, blower delays, and system fault indication\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-Stage Heating: Controls furnace operation across low- and high-fire heating demands.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated Control: Combines ignition, inducer, blower, and safety sequencing on one control module.\u003c\/li\u003e\n\u003cli\u003eSilicon-Nitride Ignition: Designed for furnaces using a silicon-nitride surface ignitor.\u003c\/li\u003e\n\u003cli\u003eVariable-Speed Vent Control: Interfaces with the variable-speed inducer\/vent motor assembly.\u003c\/li\u003e\n\u003cli\u003eFour-Speed Blower: Supports standard four-speed circulating blower configurations.\u003c\/li\u003e\n\u003cli\u003eDiagnostic LEDs: Provides onboard LED indicators for system troubleshooting and operating status.\u003c\/li\u003e\n\u003cli\u003eSafety Monitoring: Monitors pressure-switch operation and related furnace safety conditions.\u003c\/li\u003e\n\u003cli\u003eAdjustable Timing: Provides selectable cooling and heating blower off-delay settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe CNT2871 delivers the reliability and precision required for two-stage furnace control, ignition sequencing, blower management, and HVAC safety monitoring.\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":52442032570666,"sku":"CNT2871","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l400_d4fb692e-3305-44a3-9d02-4d6ea48f5940.jpg?v=1788189510","url":"https:\/\/iqelectro.com\/products\/trane-cnt2871-integrated-furnace-control-module-for-two-stage-heating-systems","provider":"IQElectro","version":"1.0","type":"link"}