How to mend Vaillant Water Boiler

1

Hot water but no heating?

My boiler will heat the tap hot water but not the heating. The fan is on all the time but goes off when I swi... [Read more]

3

how can i fix my boiler?

I have a vaillant turbomax plus 837e boiler and i have lost the pressure , so i have no hot water . I have had... [Read more]

1

vaillant 221H hot water problem?

When running bath water the water starts out hot and then goes cold and then hot again. When watching the main... [Read more]

vaillant vuwgb242e boiler?

heating side of it started to hit mian trip out, but hot water was fine. now the hot water is causing it to tr... [Read more]

1

flashing ignition indicator on vaillant turbo max pro ?

i have been having a few problems with my vaillant turbomax pro the heating and water works fine for a bit ... [Read more]

1

what is wrong with my Vaillant Sonnet 18?

The hot water is working fine but the heating system is not working. Can you tell me why, as it is a very old... [Read more]

1

My Valliant Turbo Max Boiler loses water pressure?

The F22 code kicked in last year, now I check the display regularly and top up by opening the valve. It is get... [Read more]

1

boiler problem?

valliant boiler my sons boiler pressure keeps dropping the over flow pipe from boiler which goes out side is ... [Read more]

2

What does the error code "F22" mean?

My Vaillant Ecomax 824 Combi-boiler is showing the error code F22 and it's not producing any hot water or heat... [Read more]

2

How can I fix this Valliant problem?

When I turn off my central heating and have turned all the controls off why does the heating still stay on whe... [Read more]

2

hot water out of cold water tap?

I have a vaillant ecoTech boiler and when I turn the cold water tap on in the bathroom, warm water comes out t... [Read more]

pressure loss on vaillant 824 e thermo compact?

my boiler is losing pressure very quickly, there is no sign of any leakage and seems to drop quickly when disc... [Read more]

4

what does f.25 mean on a vaillant ecomax boiler please..?xx?

hia ive got a vaillant ecomax boiler and on the display part it says f.25 and the water pressures down please ... [Read more]

How do I mend my Vaillant Combi Boiler?

It has stopped from heating water both for the taps and the radiators. Pilot lights are still on, and flame ... [Read more]

1

Why does my vaillant turbomax 824e keep coming on??

Hi there every hour or so my boiler turns on and I think just heats up the water in the system for about 10 se... [Read more]

3

hot water flow problem?

i have a vaillant boiler when i turn the hot tap on the boiler only fires up when tap is fully open when you s... [Read more]

1

Vaaillant Turbo Max 828-5e? combi boiler?

Having drained radiator to remove and then replaced and refilled system has lost pressure and will not reheat ... [Read more]

3

How do i fix my boiler (Vaillent)?

I Have just bought a house that was a reposesion the boiler has been off for about a year (Poss more) the boil... [Read more]

12

Would router interfere with wireless room thermostat?

Our room thermostat ( Honeywell) has ceased to communicate with our boiler.This coincides with having a router... [Read more]

1

pressure gauge shows needle below one?

I have a turbo vaillant boiler. the needle on pressure gauge was below 1, so I added water to it taking it to ... [Read more]