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Stick to the 121°C OEM specification to ensure proper protection levels
it is often utilized to cut power to a component at 45°F and restore it once the temperature rises to 60°F
Technicians should look for audible clicking without circuit closure
Is a solenoid required before the 998-0746-00
Does this module replace older Honeywell or Johnson Controls units found in Burnham boilers
Belimo CQKB24-SR-RR Actuator 326070-701 Stick to the 121°C OEMThe Belimo CQKB24 SR RR is a direct coupled electronic fail safe actuator engineered for high performance modulation in HVAC zone control. Operating on a 24VAC DC power supply, this actuator utilizes a 2 to 10 VDC or 4 to 20 mA proportional control signal to provide precise positioning for CQ series pressure dependent zone valves. The internal supercapacitor technology ensures the valve returns to its fail safe position (Normally Closed) during power