Easy Retrofit Integration: Small footprint and wall-mount design with a simple terminal strip interface simplify replacement in existing control panels

ensuring stable flame performance across the firing range

specifically where low-temperature MOP protection is needed to safeguard the compressor from excessive suction pressure

For optimal reliability and to prevent sediment buildup in the solenoid enclosing tube

Belimo CQKB24-S-LL Actuator 318518-761 Easy Retrofit Integration: Small footprintThe Belimo CQKB24 S LL is a specialized zone valve actuator designed for 2 way and 3 way ZoneTight valves. Operating on a 24VAC DC power supply, this Electronic Fail Safe (EFS) unit provides reliable Normally Open (NO) or Fail Open (FO) functionality via a supercapacitor power bank. This technical design ensures the valve returns to its emergency position during power loss, providing critical protection in hydronic systems. The unit delivers 22 in lb