How do I remove the pump head so that I inspect and clean it?
I know about the four screws on the flange, just not sure where and how to isolate the pump.
Thanks
Ok, Thanks.
Lived here a while now and the heating never gave any problems. The balance seemed good as all rad's were getting hot. Blockage is likely I guess.
Thanks for trying to help.
Recently returned from holiday and we are getting a problem with our central heating.
Whilst away the heating was left running but on a reduced heat and no hot water setting.
The rad's upstairs get hot and a couple downsatirs get warm. If I turn all of the upstairs rad's off I can get each of...