Johnson Controls T-3610-1002 Thermostat Els PW 29614 it utilizes a pilot operated

it utilizes a pilot operated mechanism to manage pressures ranging from 5 to 300 PSI

This is an 11KW element rated for 240V (also compatible with 230V systems)

High-Stability Power: Provides a steady 14 VA output to prevent actuator "hunting" or inconsistent control signals

the EVR 10 series is designed to function reliably in liquid

Johnson Controls T-3610-1002 Thermostat Els PW 29614 it utilizes a pilot operatedThe Johnson Controls T 3610 1002 is a field proven pneumatic low limit thermostat designed specifically for unit ventilator freeze protection and discharge air temperature control. This proportional direct acting controller utilizes an 18 inch rigid stem element to sense rapid temperature shifts, ensuring the steam or hot water valve opens before the coil reaches freezing conditions. With an element operating range spanning 0 to 270 degrees Fahrenheit