Nordyne 626417R Limit Switch 321702-401 The unit requires a 24V

The unit requires a 24V AC power source capable of handling the 70W peak running load and the 25W holding draw common in two-position control applications

Designed with a corrosion-resistant brass body and 3/8-inch flare fittings

making it a reliable solution for remote or off-grid installations

A standard single flash typically indicates normal operation (heartbeat)

Nordyne 626417R Limit Switch 321702-401 The unit requires a 24VAs a technician, you know that a tripped Nordyne 626417R Limit Switch is often the only thing standing between a routine heat cycle and a cracked heat exchanger. This OEM Nordyne furnace part is a critical high limit safety control designed to monitor internal plenum temperatures. If the heat exchanger exceeds safe operating parametersoften due to restricted airflow from a clogged furnace filter or a failing blower motorthis switch opens the circuit