Lennox 17F56 Cold Header Box 326058-758 the internal spring will default

the internal spring will default the valve to the fully open position

also identified by the model number 100RB2F2

Common Questions Is the CPR14 compatible with older weighted bypass dampers

Common Questions Is the 922521 compatible with older 904407 units

the Danfoss HRP034T1LP6 is rated for both R407C and R22 refrigerants

Lennox 17F56 Cold Header Box 326058-758 the internal spring will defaultThe Lennox 17F56 Cold Header Box is a critical OEM component designed for high efficiency refrigerant distribution within Lennox evaporator and condenser coil assemblies. As a veteran technician knows, maintaining balanced thermal loading across multi circuit coils is essential for preventing localized freezing and ensuring the compressor operates within its designed superheat range. This HVAC cold header box serves as the primary manifold, routing