but both part numbers refer to the exact same 1/4" barb vent fitting

The Heil Quaker ICP 1173425 Defrost Control Board is a critical OEM replacement component designed to manage the defrost cycle for heat pump systems

35 Amp draw and single-phase power to efficiently purge the heat exchanger of exhaust gases before the ignition cycle begins

or blower motor failures that cause heat exchanger overheating

Danfoss 068Z3347 Valve 322838-752 but both part numbers referThe Danfoss 068Z3347 is a specialized TN 2 thermostatic expansion valve engineered for precise liquid injection into evaporators within R134a refrigeration systems. Designed with a 3 8" flare inlet and a 1 2" flare outlet in an angleway configuration, this internally equalized TXV ensures stable superheat regulation in applications where pressure drop across the evaporator is minimal. For technicians working with modern retrofits, this valve is also