HSA3 Actuator is part of a port “H” motorized valve series which is available for use with both copper and iron pipework. The Danfoss HSA3 Actuator is the motor replacement head for the HS3 Valve bodies. Purchasing the actuator only means you don’t have to replace the entire unit, as the head can be replaced in a very speed efficient manner.
1.Replacement head for HS3 3 port valve bodies.
2.No need to drain down the system – disconnect wiring and unscrew from valve body.
3.Spring return lever for manual operation