How to mend Vaillant

3

Vaillant ecotec 831 plus?

Following a F22 fault where we had no heating and only cold water from the hot water tap, I topped up the syst... [Read more]

1

Vaillant F22 fault?

f22 fault how to fix

1

Advice?

With the gas service valve isolated, the gas test holds. Once the valve is turned on it drops even though the ... [Read more]

1

Boiler over pressure on the hot-water side?

My vaillant boiler dial is in the red on the hot water side

1

Vailliant turbo max plus 824e?

vailliant turbomax plus 824e combi boiler, intermittent fault on domestic hot water supply, fails to come on w... [Read more]

1

Vaillant eco plus 531 boiler?

replaced pcb board f70 ,asks for password no,17, but no 17 on display ,goes from 16 to 22 .on boiler vaillant... [Read more]

Vaillant Turbomax pro?

Vaillant Turbomax pro. The central heating will not come on but the hot water is working ok

1

Vaillant 828E - no hot water?

Green light is not flashing when hot water tap is running. Central heating works ok

1

Vaillant condensing boiler ecoTEC plus?

The boiler stopped working and showed fault F22 dry fire. I changed the 3 amp fuse in the electric switch and ... [Read more]

1

how do I rectify the fault as detailed below?

occasionally my vaillant eco tec pro combi boiler does not come on in the morning and a bmu error code appears... [Read more]

Water heater / boiler trips after ignition?

Vaillant VP5-ZE on demand water heater, ignites, but the ignition sparks continue to spark and the system shut... [Read more]

1

Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?

My boiler lights easily but after 5 minutes there is a click and then it goes off and the pilot goes out.

1

how to fix water pressure its down at bottom of grey part?

the heating and hot water working but pressure looks to low Vaillant ecoTEC condensing boiler

1

Problem with the pressure in combi boiler?

My valent combi boiler has problem with the pressure which keeps on falling which causes the radiator not to h... [Read more]

!f75?

! F 75 what dose that mean on a vaillent eco pro 24

1

Vaillant vcw gb242 eh central heating problem?

Hi just wondered if anybody can point me in the right direction, central heating wont come on, if you press th... [Read more]

hot water but no heating on valiant combi boiler?

hot water but no heating working all day then heating stopped this is a valiant combi boiler

1

Hot water comes and goes!?

I live in Spain and have a Vaillant Geyser (Water Heater) References MAG premium ES 19/2 GXI, GI and ... [Read more]

1

can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?

my boiler is a Vaillant ecotec 618 and is NOT a combi, I wish to replace the Potterton EP2 2 way programmer wi... [Read more]

2

vaillant ecoTEC plus boiler fault code - how to fix?

I have ave a vaillant boiler and just now i used the kitchen tap water and there is not hot water. And, the bo... [Read more]