the transformer has likely suffered an internal short or thermal failure and requires replacement

since this is a mechanical spring wound timer

2-circuit contact block

loose wiring connections causing high resistance

As long as your heater utilizes a 1-inch screw-in flange and has at least 14 inches of internal clearance

Schneider Electric (Barber Colman) AK-42309-500 Relay Els PW 29614 the transformer has likely sufferedThe Schneider Electric (Barber Colman) AK 42309 500 is a direct acting pneumatic relay designed for high precision force balance position sensing. Built for the rigorous demands of commercial HVACR systems, this positive positioning relay ensures an actuator's stroke remains consistent relative to the signal pressure received from the controller. It effectively handles variations in air pressure and mechanical load, making it a critical component for