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The Danfoss H Series motorised valves are appropriate for cold and hot water systems and central heating in both residential and commercial buildings. Note when replacing Sunvic/Range SZM1801, SZM1802, SZM1803, SZM1808 or SZM1809: This actuator is only suitable when the existing actuator is fixed to the valve by two screws. 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. Danfoss HPA2 2-Port Valve Actuator 230V 63 x 86 x 73mm (H x W x D) White, made from plastic is designed for use with both copper and iron pipes inside any heating devices.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. 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 fl ow of water in the system.

To comply with the new e-Privacy directive we need to ask for your consent to set non-essential cookies. I have this valve fitted to a sunvic ML3454 (new house) I'm pretty sure it's not compatible because there's only about 45 degree of rotation and the valve has 90 degree marked as open.The product also ensures that the water maintains its ideal temperature which would reduce any potential risks to your heating system. You can make use of this product along with time controls and thermostats and its main purpose is to control the flow of water within your heating system. Note when replacing Sunvic SM5203, SM4203 or SM3203: Minor wiring changes is needed including a permanent live. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice.