Thanks for that Seco, very helpful. I will order a new motor and fit it to the current valve. (unless you think I should replace the motor and the valve)
Any ideas about my second problem?
How do I check the CYL STAT is sending 230 v to the valve?
There is power going to the connectors when the timer is set to heat the water but it stays closed.
Help
I have two problems with my heating system.
1) I have a danfoss HPA2 motorised valve which is constantly closed even when the timer comes on to heat the water. If I want hot water i have to manually open it!!! Can this be fixed or do I need to replace it?
2) Now its the summer I...