Belimo CQKB24-SR-LL Actuator R-22 while the high-pressure side operates

while the high-pressure side operates between 100 and 465 psig with a manual reset to ensure a technician inspects the system after a high-limit event

provided the original unit utilizes a 115V 3-speed configuration

Key Benefits Direct OEM Replacement: Optimized for use as the direct successor to part number 9004550215

Always verify the specific series and serial number of your unit before installation

Belimo CQKB24-SR-LL Actuator R-22 while the high-pressure side operatesThe Belimo CQKB24 SR LL is a specialized electronic fail safe actuator designed for ZoneTight zone valves, delivering precise control in hydronic systems. Operating on a 24V AC DC power supply, it utilizes a proportional 2 10VDC or 4 20mA control signal to provide modulating performance. This model features a normally open (N O) fail safe position, ensuring the valve returns to its de energized state during power loss using low maintenance capacitor