Recent content by Brad44

Okay. Thank you for your help.

All voltages are okay. The actuator is a siemens 3PMP-V22 which i believe is equivalent to the new Siemens CMV322. There is movement when the central heating is on and I can hear a micro switch when the motor stops, but the pump will not start unless hot water is on. Should I now replace the...

Sorry my mistake it is a condensing boiler. I will test as suggeted with meter. Thanks for your her help Brad

It is an Ideal icos m3080 boiler about 3 years old. Its the hot water tank I am describing. The motorised solonoid port valve is turning and there is a power supply at the room thermostat. If this helps the radiators heat up if i turn up the thermastat on the hot water tank and ensure the...

This is my first time on the forum. Radiators will not heat up when central heating only is on. They will only heat up when the hot water is on and I turn up the tank thermostat which in turn switches the pump on. The motorised valve appears to move when I turn on central heating but pump...