providing the precise orifices and port alignment required for the Burnham 8 series boilers

Designed for 24V AC operation

How does the override button function within the system

making it suitable for locations subject to washdowns or high humidity

Common Questions What is the difference between Section I and Section IV relief valves

Johnson Controls D-3153-20 Damper Actuator Els PW 17895 providing the precise orifices andFor versatile pneumatic control of ventilation and safety dampers, the Johnson Controls D 3153 20 Damper Actuator provides a rugged, field ready solution. Engineered with a large 15 inch synthetic elastomer diaphragm and a durable die cast aluminum body, this linear actuator is built for high demand environments. It features a 3 inch stroke and a nominal 8 13 psi spring range, ensuring consistent displacement in both proportional and two position