How to mend Vaillant Ecotec

2

how can I fix my Vailant ecoTEC plus 831 boiler?

My eco TEC 831 is unable to maintain the pressure at 2 bars, it is 1 bar over and going into the red zone. Any... [Read more]

3

Low Pressure on Vaillant Ecotec pro 28 boiler?

How do I adjust the pressure on my Vaillant Ecotec pro 28 boiler? I have searched online for a step by step gu... [Read more]

2

Have overfilled my valliant ecotec plus831 boiler so pressure gauge is 3.2 ?

Have overfilled boiler so pressure guage is 3.2 bars when heating is on, how can i reduce the pressure

3

Topping up combi boiler?

I have changed a radiator on my Vaillant combi boiler operated central heating system. How do I bring the pres... [Read more]

1

Vaillant ecotec 466 boiler f.75 5er code?

Hi we have the above boiler which has been displaying the F.75 fault code. We have had the pressure sensor cha... [Read more]

Vaillant ecotec 418 needs a new heat exchanger?

How hard is this to change, the boiler is open vented, heat only. I am "Gas Safe" registered.

2

Vaillant ecoTEC 828 pump starts with cold water tap?

When I turn on the cold water taps everything is fine until I turn the tap OFF. Then the pump (not the burner)... [Read more]

1

illiminate high screeching noise on ignition?

vaillant ecotec plus 428 open vent condensing boiler, makes a high screeching noise on ignition and stays for ... [Read more]

vaillant combi boiler and digistat scr?

alarm light came on digistat scr and now we have no heating from combi bolier and cant get rid of the red ligh... [Read more]

1

Valliant Ecotec Pro no firing up?

I have checked the pressue in the tank is right, the expansion tank has 0.8 bar of pressure in it after system... [Read more]

3

Vaillant Ecotec pro Baffled?

When Hot water tap is running the central heating flow pipe gets hot ... right here we go ...checked plate to ... [Read more]

2

valliant ecotec s30, hot water but no central heating?

Hi, as in the title, the central heating doesnt work but the hot taps around the house do. It's displaying I b... [Read more]

vaillent boiler kicks in when cold has been running, is this normal?

after i've run my cold tap on my newly installed vaillent boiler, ecotec 28, the bioler fires up for a few sec... [Read more]

vallient ecotec boiler about 5 years old?

how do i get my downstairs thermostat to talk to the boiler so i can adjust the temperature from the living ro... [Read more]

1

Vaillant 831 with wireless 360f controller?

My wireless controller has stopped responding after changing batteries (worked for a year no problems) Gett... [Read more]

2

Vaillant Eco tec plus?

Hi We have just returned from a week away to find that our boiler pressure has dropped, topped this up but ... [Read more]

1

Vaillant EcoTEC Plus 418 Fault F7?

Same fault as Jonnie's but with Fault code F7 - any answers.

1

my vaillant boiler wont start?

hi can any1 help me my vaillant boiler is coming up with the error code f20..on looking at my boiler i must ha... [Read more]

5

no power to boiler?

i have a vaillant ecotec pro boiler. the hot water stopped working the other day so i checked the boiler to fi... [Read more]

Time switch on Vaillant boiler not working?

The time switch on my Vaillant boiler is running slow and therefore I can't set the heating to come on and off... [Read more]