When performing a head mechanism replacement or annual inspection

preventing premature failure of the motor bearings

including R410A

this limit switch is used across various platforms

if your compression spring is corroded or lost tension

Robertshaw 190-068 Plastic Guard When performing a head mechanismPrevent unauthorized adjustments and maintain precise climate control with the Robertshaw 190 068 Plastic Guard (BTG UK). As a heavy duty rectangular thermostat guard, this kit is engineered for high traffic commercial environments where tampering can lead to significant energy waste and equipment strain. The transparent thermostat cover is constructed from high impact plastic, allowing for clear visibility of settings while providing a rugged