Carrier 342970-75104 Filter Door Assembly L99H008 always verify the condition of

always verify the condition of the existing edge connector assembly (often part number 850014981) as pitted or corroded contacts on the harness can mimic a board failure

combined with its 40

It is ready for immediate wire-up upon installation

ClimateMaster OEM parts are tested to specific impedance and lifecycle ratings required by the internal logic of the heat pump control board

it provides the fast speed of response necessary for boilers

Carrier 342970-75104 Filter Door Assembly L99H008 always verify the condition ofThe Carrier 342970 75104 Filter Door Assembly is a critical OEM replacement part designed to ensure a precision seal for the filtration compartment of residential and light commercial Carrier gas furnaces and air handlers. For contractors and service technicians, maintaining a tight HVAC filter access door is essential to preventing air bypass, which can lead to premature pressure drops across the evaporator coil and reduced static pressure