it is designed for steam and hot water boiler compatibility

because the immersion well acts as a physical barrier between the sensor bulb and the system fluid

How do I know if my current time delay relay has failed

Johnson Controls A28AK-1 Temperature Control

Carrier HC54FK230 Motor 322838-754 it is designed for steamThe Carrier HC54FK230 Motor is a high performance 1 HP blower motor specifically engineered for belt drive applications in commercial HVAC mechanical systems. Operating at 208 230V and 1725 RPM, this single phase PSC (Permanent Split Capacitor) Carrier replacement motor provides the reliable torque required for large scale air handling units. Built with a 56Y frame and a 5 8 inch keyed shaft, it fits a variety of Carrier, Bryant, and Payne rooftop