DIY Doctor UK DIY Forums

saintadam

[quote="plumbbob"]Maybe you have found the cause of the problem with the anode. These sacrificial anodes are installed to prevent internal corrosion, and should be examined every so often (year or so) and replaced if necessary. Personally, I would not change the tank without proof that the...

saintadam

Well, it looks like my worst fears have been realised. I disconnected the mains supply to the bioler circuit, turned back on the mains feed to the hot water tank, and the pressure in the boiler circuit started creeping up. Looks like the internal boiler circuit circuit has been breached in the tank....

saintadam

[quote="Steve the gas"]Yep disconnect filling loop when not in use[/quote]

Steve, Thanks, but the filling loop is isolated via a srviceman type valve. I am going to unpressurise the system and check out this valve and hope that is the problem.

Thanks for the reply.

saintadam

[quote="plumbbob"]That is a possibility, but I would first head straight for the filling loop for the heating system. Often these valves fail to shut off, and allow mains water to seep past eventually over filling/pressurising the system. It's a common fault.[/quote] Plumbbob, Thanks for t...

saintadam

I have an unvented heating system installed (in house when bought it) and it has developed a strange problem. The hot water tank has the necessary expansion tank installed and is fed by the mains. The mains also feeds the boiler circuit that runs around the radiators via a shutoff valve that feeds i...

Project Type A - E

Project Type F - G

Project Type G - J

Project Type M - P

Project Type R - T

Useful Tips

Search found 5 matches

Unvented Heating system pressure increase

Main navigation

Search found 5 matches

Unvented Heating system pressure increase