preventing nuisance trips and system lockouts caused by cracked or brittle aftermarket lines

the 5985E is the designated direct replacement for 2985E models

Always check your motor rotation before installation

By maintaining accurate communication between the transformer and the thermostat leads

protecting the HVAC system components during rapid power fluctuations

Belimo CQKB24-LL Actuator 321894-706 preventing nuisance trips and systemFor contractors demanding reliable zone control, the Belimo CQKB24 LL Actuator delivers robust performance. This 24V valve actuator is engineered as an electronic fail safe, normally open (NO) unit, ensuring the fail safe position is open. It's designed for direct mounting onto compatible valves, eliminating the need for additional tools or linkages, which streamlines installation on site. Operating with an On Off control signal, the CQKB24 LL