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vote
1answer
87 views

Radiators don't heat up evenly, and am missing an Expansion Vessel. Do I need it?

I have a new Worcester 40CDI Regular Boiler that does not come with a built-in expansion vessel. I just discovered that the installer did not install an external expansion vessel either. For HW, I ...
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83 views

Can I reduce cold water inlet flow to combi boiler?

I have an ideal min c28 combi boiler. The problem is that with the shower fully on the temperature never gets hot enough for my wife, and, worse still, it can fluctuate between boiling and cold. I ...