0
votes
1answer
97 views

Would connecting the downpipe to a gas boiler inlet save energy?

I have a condensing gas boiler for tap-water and central heating. Not very far from the inlet there is a downpipe outlet for the sewer. Since this smelly pipe is partially filled with the same ...
1
vote
3answers
162 views

Combi boiler doesn't realise it's already lit

I have an Ariston Eurocombi (A23). The problem is it doesn't realise the flame is lit. When I start it up and cause demand (run hot tap or turn on heating) it fires up the flame correctly, however, ...
1
vote
0answers
85 views

Why am I not getting hot water from my tankless hot water heater?

I just bought my house last year. The previous owner had just replaced the boiler before I closed. I had oil delivered the day that I moved in. I had problems with the hot water right away as it ...
1
vote
2answers
4k views

How can I stop the boiler from heating the radiators when only hot water is wanted?

I have Baxi Boiler (model unknown at this precise moment in time) which British Gas have fixed up to a seperate control panel (see image - not our actual panel, image from Google!). The problem is ...
4
votes
3answers
2k views

Should we turn our oil hot water heater off every night?

My husband and I are considering shutting off our hot water heater from 8pm to 8am every night to save on energy. Is such a time frame long enough to create a noticeable difference in our oil bill? ...
1
vote
2answers
427 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
453 views

A boiler and a hot water tank … what is this configuration? (UK)

I'm a west-coast American living in London. I grew up with baseboard and central forced air heating. I'm currently living in the UK where water radiators are common (if not pretty much the ...