Many thanks for the advice. it is black water and not sludge so I will not have to power flush.
I will add a system cleanser and do it that way.
Many thanks for the advice.
The system has been in service for 10 yrs now and to my knowledge has never been flushed out. The system is working ok but having recently taken a radiator off the wall to paper behind it, found that the water that came out of the radiator was really quite black. I just assumed from this that it nee...
Hi there Thanks for coming back so quickly. I had already checked the controller and thermostat and decided to replace the motor on the diverter valve. I arranged for local plumber to do this job as its a pig to get to. He noticed that the automatic check valve was venting and then found that when t...
I am having a problem with the motorised valve on my Worcester 15/19 heatslave boiler. I always seem to have hot water but the heating does not always come on,also for no apparent reason the radiators get very warm for a short periob with the boiler not firing(usually after running the hot tap. If I...