I noticed a Thermoststic Rad Valve had been leaking and I have drained the system to put a new one on the microbore pipe.
After doing that the other day.I have tried to drain the system again, unfortunately nothing is coming out of the draincock when fully opened.
Any suggestions?????
After doing that the other day.I have tried to drain the system again, unfortunately nothing is coming out of the draincock when fully opened.
Any suggestions?????