Shop replacement repair parts for Coleman Furnace model GM8T040A12UH11B

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.

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 tubing .313 OD .188 ID

Cleanable air filter, 25" X 16" X 3/4"

Gas valve, 2-stage, J style

Board,cntrl,integr furnace-st

Heat exchanger,2 cell 80% upflow

Pressure Switch 80% 2 stage

Pressure Switch, -0.25/-0.45 SPNO contacts close on fall