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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
While designed for the QB 180
Solid-State Reliability: Replaces auxiliary contact relays with a more dependable status monitoring switch that has no moving parts
it can be easily customized with front or side-mounted auxiliary blocks if your circuit requires feedback signals
Common Questions Is this probe compatible with the RB-120 series
Nordyne 904531 Control Board Els PW 17895 While designed for the QBThe Nordyne 904531 Control Board is a specialized OEM integrated circuit designed for single stage air handler applications. As a direct replacement for the legacy Nordyne 624663 and 624663 0, this board provides the critical logic required for precise fan sequencing and blower motor management. Built for compatibility with the B5 and GB5 series indoor units, it serves as the central processing unit, monitoring safety switches and sensor inputs to