Evaporator Protection: Automatically shuts off the heater if temperatures reach levels that could damage the evaporator fins or surrounding components

Common Questions & Technical Insights:

What causes a high-limit switch to trip repeatedly

When installing the 312200 gasket on a Model 21-27 bracket

The 32000408-001 is constructed from high-grade polymer to resist mineral accumulation

Nordyne 626552R Fan Switch Evaporator Protection: Automatically shuts offThis 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