How to mend Vaillant Boiler Heat

Leaky DHW Heat Exhanger - Vaillant Combi VCWGB221?

DHW HE (Black plastic) is leaking from LH side of the boiler. What effect this leak will have on boilers perf... [Read more]

2

Leak from a vaillant VCWGB221H combi bioler?

I have a leak from LH side of the boiler near the d h w. heat exchanger i think, it is plastic black 3 tubed c... [Read more]

2

Vaillant Turbo MAX 282E?

Hi i have a vaillant Turbo Max 282E i have a problem that when i open the hot water after 3-seconds it goes co... [Read more]

6

What's wrong with my Vaillant Ecotec Plus boiler?

When my central heating (but not hot water) is turned on there is a brief ignition of approximately 30 seconds... [Read more]

can i fix vaillant vcw gb 240 xh comb-boiler?

vaillant vcw gb 240 xh fab no 94 29315984 boiler is still working but... [Read more]

2

Vaillant 824E providing hot water but no heat???

Hi I have a Vaillant Ecomax 824E Boiler which has been working fine until 2 days ago. It's supplying us wi... [Read more]

1

no heating from gb 242/2-5 vaillant ?

HI ,we have a vaillant gb 242/2-5 the hot water works fine but the heating reaches about 79 on temp then qu... [Read more]

3

Hot water prob - Vaillant Turbomax Plus?

For about the last 6 weeks or so our hot water temp has been very unstable. The boiler fires and heats wat... [Read more]

1

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]

1

fellow engineers, advice on ecomax?

righty ho, vaillant ecomax firing whistling and extinguishing. it blew a hole in the flexible re-enforced t... [Read more]

2

Vaillant Combi VCW 25/1 T3 Hot water temperature lowish?

My boiler has been in operation since 1983 and I have replaced various parts over the years so am fairly happy... [Read more]

1

438 at low gas rate?

have recently fitted vaillant 438 ecotec open vent boiler. fires at full rate for aprox 20 seconds then goes t... [Read more]

1

my vaillant Sine 18 combi boiler has fault?

While I appreciate that it's knocking on a bit, like myself, I feel that there is plenty of life left in the o... [Read more]

1

how do i replace the diverter valve in my boiler?

I have a vaillant TurboMax plus and started having trouble getting hot water. I can not get hot water when the... [Read more]

2

Would my combi boiler heat water if I drained heating system?

I have a Vaillant Turbo Max Combi Boiler and a sealed heating system. I want to add a radiator and renew a cou... [Read more]

1

How can I fix noise from my vaillant ecotec pro boiler?

I've drained the system to replace radiator in bathrrom. Refilled and repressurised system once job done. Air ... [Read more]

1

My Vaillant VCW combi-boiler doesn't provide hot water for bath?

Although all the controls are turned to maximum my Vaillant VCW GB 242 EH combi-boiler doesn't provide hot wat... [Read more]

6

Vaillant VCW GB242EH (1991) Leaking - Domestic Heat exchanger gone?

Hello Is it a difficult job to replace this. Had 2 gas engineers look at it (including Vaillant themselves)... [Read more]

1

Vaillant Combi boiler- no hot water or heat?

This morning it's just stopped working. It fires up for about 1 minute and then just stops. We had a bloke out... [Read more]

1

how can i fix my vaillant turbo max 282?

i have a vailant vuw282 turbo max the heating system works fine, but the running water isnt getting up to temp... [Read more]