Pay in 4 interest-free payments of $35.96 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Enhanced Efficiency: Optimized for R-410A refrigerant to deliver superior heat transfer and energy-saving performance
as long as the 180°F setpoint and 3
Key Benefits for Technicians: OEM Calibration: Exact 0
Precision Operation: The sensitive thermostatic element prevents live steam loss while maximizing heat output
ensuring seamless mechanical compatibility with existing liquid line configurations
Belimo CQKB24-S-LL Actuator 328140-751 Enhanced Efficiency: Optimized for R-410AThe Belimo CQKB24 S LL is a specialized zone valve actuator designed for 2 way and 3 way ZoneTight valves. Operating on a 24VAC DC power supply, this Electronic Fail Safe (EFS) unit provides reliable Normally Open (NO) or Fail Open (FO) functionality via a supercapacitor power bank. This technical design ensures the valve returns to its emergency position during power loss, providing critical protection in hydronic systems. The unit delivers 22 in lb
US$ 38.00
US$ 18.00
US$ 22.00
US$ 28.00
US$ 38.00
US$ 34.00
US$ 14.00
US$ 28.00
US$ 44.00
