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Rotary Actuators

The "Corona" series of Compact Rotary Valves and Actuators provide integrated mixing of boiler supply, boiler return, loop supply, and loop return water in hydronic heating systems.

FM Boiler Fill Valves

FM Boiler Fill Valves

Pressure regulating valve for automatic control of boiler feed water and other pressure reducing applications. Especially constructed for expansion tank mounting.

NK300S

NK300S

The NK300S Boiler Feed Combination serves as a boiler fill valve used in closed loop heating systems.