While compatible with thermal sensors

Hardware Included: Comes with the sensing bulb and mounting components for a complete kit

Its compact footprint

the A421 series represents the next generation of PENN temperature controllers

this 1/4HP 115v 1050rpm CCW 48Motor offers the reliability of high-starting torque required for heavy-duty fan cycles

Markel 56811001 Override Switch 322838-754 While compatible with thermal sensorsThe Markel 56811001 Override Switch is a critical field installed component engineered specifically for Markel 5100 Series unit heaters. Designed to provide precise manual oversight, this fan override switch allows contractors to bypass standard automated cycles for summer air circulation or to purge the heater casing of residual heat post shutdown. This replacement HVAC switch is built for the rigors of industrial environments, ensuring the fan motor