Universal White-Rodgers 21M51U-843 Two-stage HSI Integrated 3-Speed Circulator Furnace Control Kit Climate Control Acc (PSC)

White-Rodgers 21M51U-843 Universal Two-stage HSI Integrated 3-Speed (PSC) Circulator Furnace Control Kit Universal Two-stage HSI Integrated 3-Speed (PSC) Circulator Furnace Control KitWhite-Rodgers furnace controls include the 21M51U-843 universal two-stage his integrated furnace control kit which includes the module and igniter kit, replacing White-Rodgers 50M51-242 and 50M61-xxx's two-stage his systems with 80 V or 120 V igniters.Features:120 VAC Igniter Output120 VAC Two-Speed Inducer Output120 VAC Humidifier Output120 VAC Electronic Air Cleaner Output120 VAC 3-Speed PSC Circulator Output2-Stage Gas Valve OutputFuse Protection – 3 AmpFurnace Status LED – Tri-Color (Green, Red and Amber)Heat Fan OFF Delay (Dipswitch Selectable)Fan ON Delay for CoolingAuto Second Stage Delay (Dipswitch Selectable Mode)Historical fault retrieval by pushbuttonYLO, Y, W1, W2, R, G, C, TWIN terminalsPressure switch inputs and monitoringFlash microprocessor with non-volatile memoryFlame current measurement pointsReplaces: White-Rodgers 50M51-242 and all 50M61-xxx’s Two-Stage HSI systems with 80V or 120V IgniterEasy Install Kit includes everything you need for quick and accurate replacement:Ignition Control ModuleUniversal 120V Nitride Igniter Kit – 21D64-2Installation Instructions and OEM Cross-ReferenceSpecifications:Operating Temperature Range: -40° to 175°F (-40° to 80°C)Humidity Range: 5% to 93% relative humidity (non-condensing)Gases Approved: Natural, Manufactured, Mixed, Liquefied Petroleum and LP Gas/Air Mixtures are all approved for useDimensions: 5-1/4"W x 8"H x 1-1/4"DWhite-Rodgers, a recognized leader in climate control solutions, celebrates 75 years of business in 2012. Experience, integrity and customer service are still the tenets that mark this great company. From the humble beginnings of two engineers collaborating to solve the control problem of the day, to being the answer for your climate control needs, White-Rodgers is the respected name among industry professionals and home owners alike. Controllers N/A