the RA-911 works seamlessly with both 2-wire and 4-wire detector bases

this valve is designed for commercial hot water supply tanks and meets the necessary material standards for potable water applications

By maintaining a one-way flow mechanism

Durable Construction: Built with a Permanent Split Capacitor (PSC) design for improved efficiency and longevity

If the board provides spark or hot surface ignition but cuts the gas valve after a few seconds

Johnson Controls MP823C001A Actuator 30067439-890 the RA-911 works seamlessly withThe Johnson Controls MP823C001A is a heavy duty pneumatic valve actuator designed for proportional control of valves in HVAC systems. Featuring a 25 square inch effective diaphragm area, this spring return pneumatic actuator provides reliable stem up action upon loss of air pressure. It operates within a 3 7 PSI spring range and delivers a consistent 3 4 inch stroke, making it a standard choice for modulating steam or water flow. Built with a rugged