Coleman Furnace GUD04008UB Parts

Furnace control board. The control board regulates the supply of power to the furnace components.

Gas Burner Tube

Furnace hot surface igniter kit. The igniter gets very hot and glows bright orange to light the gas burner. If the igniter is cracked or defective, the furnace won’t heat.

Gas valve kit

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

Pressure switch

Cap,run single,5mfd,370v,oval

Limit switch,160 open,130 close

Transformer, 120 volt primary 24 volt secondary 40 va

Furnace draft inducer motor. The draft inducer motor draws air into the burner and exhausts it out the flue. If the draft inducer motor is defective, the furnace may not heat.

Run capacitor 370 volt oval single 4 microfarads

Gasket,venter motor,150 deg f

Burner orifice, #44 (.86)

Filter,air,cleanable,26 x 16 x 1

Burner box cover gasket, 5/8 x 1ft (M50)