{"product_id":"white-rodgers-21v51u-843-2-stage-furnace-control-kit-html","title":"White-Rodgers 21V51U-843 2 Stage Furnace Control Kit","description":"\u003cp\u003eWhite-Rodgers 21V51U-843 Universal 2 Stage ECM Furnace Control Kit\u003c\/p\u003e\u003cp\u003eReplaces White-Rodgers 50V51-XXX€™s and 50V61-XXX€™s Two-Stage HSI Systems with 80V or 120V Ignitor.\u003c\/p\u003e\u003cp\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e120 VAC Ignitor Output\u003c\/li\u003e\n\u003cli\u003e120 VAC Two-Speed Inducer Output\u003c\/li\u003e\n\u003cli\u003e120 VAC Humidifier Output\u003c\/li\u003e\n\u003cli\u003e120 VAC Electronic Air Cleaner Output\u003c\/li\u003e\n\u003cli\u003e2-Stage Gas Valve Output\u003c\/li\u003e\n\u003cli\u003e16-Pin Variable Speed Circulator Output\u003c\/li\u003e\n\u003cli\u003eOEM Application €“ Dipswitch Selectable\u003c\/li\u003e\n\u003cli\u003eFuse Protection €“ 3 Amp\u003c\/li\u003e\n\u003cli\u003eFurnace Status LED €“ Tri-Color (Green, Red and Amber)\u003c\/li\u003e\n\u003cli\u003eCFM LED €“ (Green)\u003c\/li\u003e\n\u003cli\u003eHeat Fan OFF Delay (Dipswitch Selectable)\u003c\/li\u003e\n\u003cli\u003eFan ON Delay for Cooling\u003c\/li\u003e\n\u003cli\u003eAuto Second Stage Delay (Dipswitch Selectable Mode)\u003c\/li\u003e\n\u003cli\u003eHistorical Fault Retrieval by Pushbutton\u003c\/li\u003e\n\u003cli\u003eYLO, Y, W, W2, R, G, C, O, BK\/DS\/Dehum Terminals\u003c\/li\u003e\n\u003cli\u003ePressure Switch Inputs and Monitoring\u003c\/li\u003e\n\u003cli\u003eFlash Microprocessor with Non-Volatile Memory\u003c\/li\u003e\n\u003cli\u003eFlame Current Measurement Points\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectrical Ratings [@ 77°F (25°C)]\u003c\/span\u003e\u003cbr\u003eInput Voltage: 24 VAC, 60 Hz (Class II transformer required)\u003cbr\u003eNom. Input Current @ 24 VAC: 595 mA + MV\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRelay Load Ratings\u003c\/span\u003e\u003cbr\u003eGas Valve Relays: 1.5 amps @ 24 VAC, 60 Hz\u003cbr\u003eInducer Relays: 2.2 FLA €“ 3.5 LRA @ 120 VAC, 60Hz\u003cbr\u003eHumidifier Load: 1.0 amp max. @ 120 VAC, 60Hz\u003cbr\u003eElectronic Air Cleaner Load: 1.0 amp max. @ 120 VAC, 60Hz\u003cbr\u003eIgnitor Relay: 4.0 amps max. @ 132 VAC, 60 Hz\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFlame Current Requirements\u003c\/span\u003e\u003cbr\u003eMinimum current to insure flame detection: 0.3 ?a DC*\u003cbr\u003eMaximum current for non-detection: 0.1 ?a DC*\u003cbr\u003eMaximum allowable leakage resistance: 100 M ohms\u003cbr\u003e   *Measured with a DC microammeter in the flame probe lead\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature Range\u003c\/span\u003e\u003cbr\u003e-40° to 175°F (-40° to 80°C)\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHumidity Range\u003c\/span\u003e\u003cbr\u003e5% to 93% relative humidity (non-condensing)\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTiming Specifications (@ 60 Hz)\u003c\/span\u003e\u003cbr\u003eFlame Failure Response Time: 2.0 sec. max.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eGases Approved:\u003c\/span\u003e Natural, Manufactured, Mixed, Liquefied Petroleum and LP Gas\/Air Mixtures are all aproved for use\u003c\/p\u003e\u003cp\u003eKit Includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIgnition Control Module\u003c\/li\u003e\n\u003cli\u003eWiring Harness for Amana\/Goodman\u003c\/li\u003e\n\u003cli\u003e Universal 120V Nitride Ignitor Kit €“ 21D64-2\u003c\/li\u003e\n\u003cli\u003e Installation Instructions and OEM Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReplaces:\u003c\/p\u003e\u003cp\u003eWhite-Rodgers 18M9901, 20300002, 20300004, 20300006, 49M5901, 50V51-243, 50V51-288, 50V51-289, 50V51-290, 50V51-507, 50V61-120, 50V61-143, 50V61-288, 50V61-289, 50V61-507, B1809925, B1809927, B1809927S, CNT03078, D156245P01, D34142P01, PCB00106, PCB00106S, PCBBF106, PCBBF106S, PCBBF107S, X13650840010\u003c\/p\u003e","brand":"Copeland Comfort Control LP","offers":[{"title":"Default Title","offer_id":41472457474122,"sku":"21V51U843 WHI","price":210.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/3549\/7290\/files\/21V51U843_WHI__72684.1578482123.1280.1280.jpg?v=1720539282","url":"https:\/\/c38b33-2.myshopify.com\/products\/white-rodgers-21v51u-843-2-stage-furnace-control-kit-html","provider":"Climatedoctors","version":"1.0","type":"link"}