• Danfoss HSA3 Actuator Only.
• Suits Danfoss 3 port Mid Position Valves.
• Danfoss Motorised Valve Data Sheet
• Danfoss Motorised Valve Installation Instructions

Danfoss Randall H Series Motorised Valves, working in conjunction with time controls and thermostats, are used in domestic and commercial central heating, hot water and chilled water systems to control the flow of water in the system.

They are designed and built for long term operation under arduous conditions of high temperatures and rapid pressure fluctuations.