York S1-2940A3541 Transformer Els PW 17895 providing reliable timed delay switching

providing reliable timed delay switching in demanding commercial environments

Contractor Friendly: Standard 1/4" spade terminals and an easy-access adjustment screw simplify the HVAC air flow switch replacement process

The TFDKR00 is factory-calibrated and designed for "plug-and-play" operation

Can this bracket be used for both clockwise and counter-clockwise rotation

Ensure any unused primary taps are properly capped and insulated to prevent shorting against the enclosure

York S1-2940A3541 Transformer Els PW 17895 providing reliable timed delay switchingThe York S1 2940A3541 Transformer is a critical component for maintaining consistent 24V control voltage across residential and light commercial HVAC systems. This 120V primary 24V secondary step down transformer is engineered to handle a 40VA power rating, providing sufficient overhead for contactors, boards, and thermostats within the control circuit. As a direct OEM York furnace transformer replacement, it ensures the internal impedance and thermal