Carrier 342970-75104 Filter Door Assembly 323080-701 While technically compatible with systems

While technically compatible with systems requiring an L135-35F rating

Built for precision in demanding environments

The controller features diagnostic codes (such as E1 and E2) to alert technicians when the regulation is out of range or if the control signal is defective

the assembly features high-sensitivity internal diaphragms that resist oxidation and mechanical fatigue

This ASME Section IV certified valve provides a critical safety layer for commercial and industrial hydronic equipment

Carrier 342970-75104 Filter Door Assembly 323080-701 While technically compatible with systemsThe 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