Tagged Questions
2
votes
1answer
629 views
What should I do about this Alpha HE CB33 Boiler pressure error condition?
I have an alpha he cb33 boiler which has stopped working this morning. Yesterday I removed a radiator for cleaning then put it back on and re-pressurised the system. It was working ok last night. ...
2
votes
1answer
2k views
How do I restore boiler pressure through the filling tap?
I have a "Glow Worm" combi boiler that has been losing pressure slowly - from 1.0 bar to 0.6 bar over the course of a few months.
The instructions simply say that to restore pressure, "slowly open ...
1
vote
2answers
257 views
Sizing DHW expansion tank for tankless heater
I have a combined boiler for hydronic heating and DHW. Earlier in the winter, I started insulating as much of the pipes I can easily access.
This has led to hot water coming out of the cold water ...
1
vote
1answer
154 views
Pressure level in central heating system
Recently (since last week), the pressure in our heating system (as indicated by the pressure gauge on the boiler) is dropping rapidly. We're having to top this up around once every two days. As I ...
