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

With a 400 VAC rating and robust screw-terminal connections

the QTS1500T comes equipped with a factory-installed single-pole thermostat (45°F to 85°F range) and offers dual wattage capabilities

Neoprene provides high durability and heat resistance up to 200°F

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

Nordyne 624710 Control Board 321702-401 Always verify your specific model'sThe 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.