Wide Control Range: The 75°F to 135°F range allows for fine-tuned thermal management in varied ambient conditions

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

this 1" NPT valve is engineered to simplify ASME CSD-1 code-mandated testing of low water cut-offs (LWCO)

Designed with a 3/4 inch inverted flare connection

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

Johnson Controls MP823C001A Actuator 30067439-890 Wide Control Range: The 75°FThe 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