White-Rodgers 90-T40M3 Transformer this guard extends the service

this guard extends the service interval of the HVAC ignition system

this is the terminal connector only

and York systems

refer to your unit's parts manual for the specific hardware required for your relay box model

this fixed temperature limit control is factory-calibrated to a 240 degrees F fixed open temperature and a 210 degrees F fixed close temperature

White-Rodgers 90-T40M3 Transformer this guard extends the serviceThe White Rodgers 90 T40M3 is a Class 2 transformer engineered for reliable 24V control circuit power in commercial and residential HVACR applications. This 40VA HVAC transformer features a multi tap primary voltage configuration, supporting 120V, 208V, and 240V inputs, making it a versatile multi volt control transformer for various field service requirements. As an energy limiting transformer, it provides essential circuit protection for