Nordyne 626552R Fan Switch Because this model uses a

Because this model uses a bimetal thermometer and snap-action contacts rather than a mercury bulb

this 140-170F Auto Limit Switch provides the industrial-grade reliability required for demanding HVACR applications

this unit is an interchangeable hub fan blade

The 0-1000 PSI pressure gauge provides a clear dual-scale readout in both PSI and Bar

Nordyne 626552R Fan Switch Because this model uses aThis Nordyne 626552R Fan Switch is the direct engineering update for the legacy 626552, designed specifically for high reliability HVAC blower motor control. As an OEM Nordyne part with an F115 20 technical designation, it functions as a normally open (NO) switch that closes upon reaching 115F and maintains a 20F differential. This ensures precise furnace fan limit control, preventing short cycling and optimizing airflow in air handlers and downflow