The Robertshaw RS1100 incorporates non-volatile memory to retain configuration settings during power outages

Always verify your specific model's manual to ensure the drive socket alignment matches

and fans within VAV boxes and air handlers

ensuring full compatibility when replacing that specific variant

common in high-demand rooftop environments

Nordyne 624710 Control Board 321702-401 The Robertshaw RS1100 incorporates non-volatileThe Nordyne 624710 Control Board is a critical OEM ignition control board designed for high static and standard efficiency gas furnaces and package units across the Nordyne family of brands, including Intertherm and Miller. As a direct replacement for Nordyne 6247100 and 624591, this HVAC circuit board manages the essential sequences of operation, including the hot surface igniter (HSI), internal blower motor timings, and the gas valve solenoid.