Heating & Gas Questions

No hot water - should we replace entire boiler or fix divert?
Heating & Gas  •  263 views  •  0 answers

We are having trouble with our boiler and can't get any hot water (heating still works) - before this happened we had several months where the water only got hot if we put the heating on. An engineer came out today to look at it and he said that the …

Controlling gravity hot water circuit?
Heating & Gas  •  259 views  •  0 answers

Something a little unusual. An AGA in an isolated cottage supplies the primary circuit to heat hot water. After a recent refurb the water from the tap is literally scalding. In order to control it, I thought a motorised valve and cylinder stat could shut down circulation in the primary …

Hot water flowing through the tundish
Heating & Gas  •  246 views  •  1 answer

I have a rapid flow of water going through the tundish. I have an unvented Joule hot water cylinder and a combo boiler with underfloor heating on the ground floor and radiators on the first floor. Can anyone provide advice to stop the flow? Thank you

Constant working combi
Heating & Gas  •  245 views  •  2 answers

My combi boiler still sounds as though it is working although because of the thermostat settings there is no heat being produced through the radiators. It is the same when switched off via the time clock

Does outdoor temperature sensor need to be connected to something?
Heating & Gas  •  243 views  •  0 answers

I’ve lived in a Persimmon new build house for 8 years and only just noticed that on the exterior rear wall there’s a circular grey plastic box that’s not connected to anything, but the neighbours all have a cable coming out and going into the wall. The writing on the …

Which pipe for gas connection please?
Heating & Gas  •  239 views  •  0 answers

I have a brand new Beko xdg621k freestanding gas cooker which has 2 pipes at the rear can anyone tell me which one is for natural gas connection please.

Unsightly pipes, scorching & cracking of plaster & skirting
Heating & Gas  •  235 views  •  0 answers

I’ve just had a new boiler and replacement radiators fitted in a newly decorated and plastered house. As I feel that the gas safe registered heating engineer’s work is untidy, I was dismayed when I saw it. Unfortunately, he has utilised part of the old, (unsightly), painted pipework, so that …

Hot water flow in header tank
Heating & Gas  •  234 views  •  0 answers

Netaheat potter ton profile 50e with either hot water or heating - water leaves the boiler flow pipe, up into a T junction which is left to go to diverter valve or across and up one floor to header tank … hot water goes both directions - there is a …

Air source heat pump not heating after new cylinder installed
Heating & Gas  •  230 views  •  0 answers

Hello, I’m really hoping someone can help. I moved into a flat a year ago that has air source heat pump instead of a boiler. I had a crack in my indirect water cylinder. Have had it replaced like for like, yet now the air source just is not heating …

Not All Radiators Heating Up
Heating & Gas  •  225 views  •  4 answers

I've fully bed all the radiators in my house multiple times and there's no trapped air. All valves are fully open but the upstairs radiators only seem to turn on occasionally and I can't understand why. Any ideas? The pressure on the boiler is unchanged and in the target range …