Friedrich Air Conditioning 69700290 Control Board R-410A specifically the Knight WH155 series

specifically the Knight WH155 series

secure termination in demanding field environments

When diagnosing "no flame" signals or ignition faults

The Daikin-McQuay 300043669 Spark Ignitor is a high-precision OEM replacement component engineered for reliable ignition cycles in commercial HVAC and applied systems

guaranteeing that any frost accumulation on the evaporator has melted before the cooling cycle resumes

Friedrich Air Conditioning 69700290 Control Board R-410A specifically the Knight WH155 seriesWhen you are troubleshooting a Friedrich air conditioner that isn't cycling the compressor or responding to thermostat inputs, the Friedrich 69700290 Control Board is the primary diagnostic point. As the central main PCB control board, this OEM replacement part manages critical logic for 115V cooling systems, coordinating fan speeds, temperature regulation, and system safety protocols. This board is engineered specifically for Friedrich units to