How to mend Boiler Not Heating Hot Water

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

Vokera Combi Boiler?

We have hot water, but no heating. The boiler has 3 green lights. It says purge cycle, we phoned Vokera and ... [Read more]

potterton prima 30F problem?

The boiler is igniting when I put on the hot water. But the boiler doesn't ignite when I put on the heating. S... [Read more]

ariston euro combi boiler?

I have a Ariston Euro Combi Boiler, it is over 10 years old. It still working fine but with a few issues. I... [Read more]

1

Worcester 24i Junior Boiler - Hot Water Fine - NO HEATING?

Hi i recently moved into a house which has a Worcester 24i Junior boiler. Hot water is fine but the heating... [Read more]

1

boiler issue?

my viessman vitotrol 100 only 3 months old with remote control will not ignite to give me heating or hot water... [Read more]

heating only comes on if hot water on?

we had a new worcester greenstar boiler and system installed by british gas a few years ago. we have a control... [Read more]

ravenheat boiler problem?

I have a Ravenheat LS 100T combi boiler around 8 years old. Never had a problem with it but the system pressur... [Read more]

Ideal c 30 faluty how can it be fixed?

Ideal c30 combi boiler why does my central heating get warm when boiler switched to water heating and hot tap ... [Read more]

2

whats wrong with my ferroli modena 102 combi boiler?

Boiler not running _no heating or hot water. Fan not working, willnot lite .water at 1.5bars . Showing lockou... [Read more]

1

potterton profile boiler?

i have a potterton profile boiler the central heating works fine but the hot water will not heat up?

boiler not firing. ferroli f24b?

Boiler won't fire. No heating or hot water.

1

Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]

3

Heating? Ariston micro genus 27 mffi?

hot water fine but when I put heating on the boiler fires up but the motorised valve just fitted on boiler doe... [Read more]

Greenstar RI boiler not working?

We have a WB Greenstar RI boiler that is about 7 years old and has run pretty faultlessly in that time. It has... [Read more]

3

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

1

Potterton Netaheat M11 no heating no hot water?

The boiler lights up and gets very hot and then closes down. We have replaced pump and fan. Zone valve wor... [Read more]

1

what part will i need to replace on my alpha combi he cb25?

I do not get hot water from my alpha he cb25 combi boiler unless the heating is on. what is wrong and what par... [Read more]

1

heatslave 9.24 no pressure / hot water?

I bleeded my rads whilst the heating was on which has caused issues with the boiler. it's now not working with... [Read more]

Potterton combi performa 24 heating not switching off?

Room stat calls for heat and boiler fires up. yellow light comes on boiler. When room temp has been reached, f... [Read more]