compatible with most boiler tapping points

Featuring a 20-foot averaging element

its design and material specifications are optimized for the unique demands of geothermal systems

This heavy-duty thermal expansion valve power element

Johnson Controls MP823E001 Actuator Els PW 17895 compatible with most boiler tappingThe Johnson Controls MP823E001 Actuator is a field proven pneumatic valve actuator specifically engineered for the precise positioning of chilled water, hot water, and steam control valves. Built with a 25 square inch effective diaphragm area, this MP8000 Series model features a 9 13 PSI spring range and a reliable 3 4" stroke length. The assembly is designed for spring return stem up action, ensuring a fail safe normally open position in the event of