Thanks for the replies so far.
To answer all questions:
1. Two tanks in the loft
- Cold Water Tank fed fom the mains supplying the cylinder
- CH Filler Tank fed from the mains
The CH filler tank level is lower than CW Tank Level (its a much
smaller tank) - will that rule out...
Morning all
This is really bugging me:
We have a gravity fed system in the house with the cold water tank in the loft to feed the HW cylinder. Just recently this has started to overflow intermittently but quite a large overflow. I've checked the inlet valve and I'm convinced that it is...