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with a compact 100mm x 80mm footprint designed for standard electrical enclosures
allowing the system to restore furnace ignition sequence once safe temperatures are reached
Utilizing genuine York furnace parts like this wire assembly ensures that the electrical load stays within the design parameters of the integrated control module
the M0090901R features standard mounting patterns and electrical leads to streamline the installation process for field technicians
Marvair 20173A Defrost Control Board 326058-758 with a compact 100mm xThe Marvair 20173A Defrost Control Board is the essential HVAC replacement part designed specifically for Marvair heat pump systems requiring reliable defrost cycle management. As the direct replacement for the legacy 20173 board, this updated component integrates seamlessly into existing control panels to manage evaporator coil icing in low ambient conditions. For technicians performing heat pump troubleshooting, the 20173A provides precise timing
