The actuator plays a crucial role in providing efficient and automated temperature control, ensuring comfort and energy savings in the heating system. They are designed and built for long term operation under arduous conditions of high temperatures and rapid pressure fluctuations.

The 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. The Danfoss HSA3 Actuator is part of a port "H" motorized valve series which is available for use with both copper and iron pipework. Do you supply these screws as spares or can you let me know the size and type so that I can source them please. If you do not give permission you may continue to use this site and only essential cookies will be set.I have removed the existing HSA3 actuator during DIY, but foolishly I’ve lost the 2 fastening screws, so I can’t refit it. The DANFOSS HSA3 3 PORT MID-POSITION VALVE ACTUATOR is a genuine, brand new Danfoss product, covered by a Danfoss manufacturer's guarantee. It operates based on electrical signals received from a thermostat or central control unit, allowing for precise regulation of the flow of hot water through the heating zones. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice.

The Danfoss HSA3 3 Port Mid-Position Valve Actuator is a high-quality, durable and easy to install heating control product. H series ‘shoe’ valves are available in 2 port and 2 port versions in a wide range of sizes for both copper and iron pipework.This valve actuator is suitable for domestic central heating systems and comes with a 1-year manufacturer's warranty. The Danfoss HSA3 Actuator is part of a port H motorised valve series for use with both copper and iron pipework.