Danfoss Acuator HSA3D Trianco 2 Wire 501938

Modified by Trianco 087N659000 was HSA3ND

An electrical device used to control the opening and closing of valves in heating systems.Used to regulate the flow of water in underfloor heating systems or other hydronic systems. The actuator responds to control signals, enabling automated and precise temperature regulation, contributing to energy efficiency and comfort in the heating system.

• Replacement head for HS3D 3 port valve bodies
• No need to drain down the system – disconnect wiring and unscrew from valve body
• Spring return lever for manual operation