How does the override button function within the system

While the Series 26 is optimized for low water cut-off and boiler feedwater control

Always verify your control system's voltage requirements before installation to prevent coil damage

Designed for 24V AC operation

making it suitable for locations subject to washdowns or high humidity

Johnson Controls D-3153-20 Damper Actuator Els PW 17895 How does the override buttonFor 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