Shop replacement repair parts for Lennox Furnace model ML180UH045P36A-3


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.

Ignition control board The ignition control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Pressure switch -.65" wc spst 1/4" barb connection

Limit control, 190f

Heat exchanger

Pressure Switch .60

Pressure switch