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

By maintaining accurate communication between the transformer and the thermostat leads

replacing a lower speed motor with this 1625 RPM motor can cause excessive noise

5mm divider plate insulation is engineered specifically for Knight XL heating boilers and high-recovery water heaters

Always check your motor rotation before installation

Belimo CQKB24-LL Actuator 321894-706 the 5985E is the designatedFor 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