With reversible rotation capabilities and a standard 1/2" diameter x 5" long shaft

Specifically engineered for Armstrong Air and Allied Air units

this is a fixed-setting thermal switch calibrated at the factory for 55F to ensure consistent safety parameters without the risk of field tampering

It functions as a thermistor-based limit switch

What wire terminals are available on this model

Reznor 213582 Controller 340155-7026 With reversible rotation capabilities andThe Reznor 213582 Controller is an OEM certified Speed Controller 208V designed specifically for demand load management in Nortek Global HVAC systems. As a critical component for maintaining precise airflow, this solid state fan speed control interfaces directly with the motor circuit to modulate voltage and optimize blower performance. This allows for a more controlled discharge temperature and improved energy efficiency, particularly in direct fired