White Rodgers 50M56U-843

White Rodgers™ 50M56U-843 1-Stage Universal HSI Integrated Furnace Control Kit, 15-1/2 Inch Lead Length, 24 V


Manufacturer part number:



Emerson Electric

White Rodgers™ HSI Integrated Furnace Control Kit, 1-Stage, Universal, 15-1/2 Inch Lead Length, 15-1/2 Inch Probe Length, 24 V, 0.45 A, Natural Gas/Liquid Propane, 17 sec Warm Up, 30 sec Prepurge, 1/4 Inch Spade Terminals and Molex Plugs, Retries: 2, 60 min Reset, Surface Mount, 7 Inch H x 5-1/4 Inch W x 1-1/4 Inch D, Includes: Ignitor and Wiring Harness

  • 3 fan speeds cool, low heat and high heat speeds
  • 9 quick select/quick connect wiring harnesses
  • Red LED diagnostic flash codes with stored fault recall
  • Low voltage fuse protection, 3A replaceable automotive type
  • Humidifier and electronic air cleaner connections



Standard/Approvals: CSA Certified

Application: Residential and Commercial Heating Equipment


Products specifications
Attribute nameAttribute value
Amperage Rating0.45 A
Control Voltage24 V
Dimensions7 Inch H x 5-1/4 Inch W x 1-1/4 Inch D
Electrical Connection1/4 Inch Spade Terminals and Molex Plugs
Gas TypeNatural Gas/Liquid Propane
Lead Length15-1/2 Inch
ManufacturerEmerson Electric
Mounting TypeSurface
Prepurge Time30 sec
Probe Length15-1/2 Inch
Reset Time60 min
Type1-Stage, Universal
Warm Up Time17 sec