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    Need Replacement Sunvic SMZ 1801 Actuator

    Hello I am having problems finding a replacement Actuator or an equivalent for a Sunvic Mo Mo SMZ 1801. They don't seem to produce them any more. The Danfoss HPA2 look similar. Any advise appreciated. Thanks diode84
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    Grant Vortex Pro 15/21 leaking in case.

    Hello I have an intermittent leak in my Grant Vortex Pro 15/21 inside the case. Never very much water but the bottom of the case has sometimes 3mm of water. I have checked the flow and return connections but can't find any leak. The boiler is about five years old. Has anyone any ideas what may...
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    Need the best non leak motorised valve

    Hello My first post so hello everyone. I put in my home system a few years ago and used Sunvic mo-mo motorised valves. The second one is leaking from the seal where the motor rotates the valve. Can anyone recommend the best non leak motorised two way valve that will last a long time. It does...
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