Nordyne 626417R Limit Switch 328140-751 0 SCFH capacity at the

0 SCFH capacity at the LO output port

It utilizes a pilot-operated disc construction

protecting pipes

The mechanical dial allows for a minimum ON/OFF time of one hour

Enhanced System Reliability: Controls complex sequences including pre-purge cycles

Nordyne 626417R Limit Switch 328140-751 0 SCFH capacity at theAs 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