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Mend hot water code

Vaillant Ecomax 828 E?

I currently have central heating, but no hot water. The error code is E12. Does anyone know how to fix it?
Mend pressure boiler bar

vaillant turboplus losing pressure daily?

my boiler is losing pressure daily, i keep topping it up to between 1 & 2 bar and then within 24 hours its bac... [Read more]
Mend boiler fire turn

How can I fix my Vaillant combi boiler?

I have a vcw-gb 242 combi boiler and now find the central heating wont fire up. When i turn on the hot water t... [Read more]
Mend diaphragm turbomax vuw

How long shoud it take to replace a diaphragm on a Vaillant?

We have a Vaillaint Turbomax VUW 242/1 E,282/1E How long should it take a trained engineer to replace the d... [Read more]
Mend heating boiler vaillant turbomax

Leak on the pipe leading to the main heating unit?

I have had various problems with my boiler (Vaillant Turbomax) of late and the current one is a leak that has ... [Read more]
Mend water heating switch set

Only get hot water when heating is on with Vaillant Combi boiler?

I am unable to get hot water when switch is set to domestic hot water. However I am able to get hot water whe... [Read more]
Mend vaillant system boiler

vaillant f67 fault?

ecomax 635 system boiler showing the above fault??
Mend boiler will reset

F.28 Vaillant thermocompact boiler will not reset?

Re Vaillant thermocompact bolier F.28 display - my stepfather bled my radiators around 6.30pm and by 10.30 the... [Read more]
Mend turbomax 824e hello

Vaillant turboMAX 824E?

Hello, the timer is not working on my boiler. When the timer is set it starts to lag behind 'real time' within... [Read more]
Mend turbomax 824e boiler

Vaillant turbomax plus 824e confounding the 'experts'?

My boiler keeps on locking out showing f.22 or f23. I have had two 'experts' look at it, one changed Almost ev... [Read more]
Mend vaillant vcw t3w

vaillant vcw t3w?

how can I fix my vaillant vcw t3w combi boiler?
Mend boiler turns hot

Vaillant ecotec plus. s75 code?

when i turn on my boiler it comes on and then after some hours it turns off showing an S75 code. No hot water ... [Read more]
Mend timer instructions setting

Vaillant EcoMax 835e Timer Controls?

Where can I download instructions for setting the digital timer on a Vaillant EcoMax 835e. Using the alleged c... [Read more]
Mend vaillant long time

pump overrun?

Vaillant 221 H combi,The pump overruns for a long time after the burner has switched off after reaching temp a... [Read more]
Mend boiler eco tec pro

how can I fix my boiler?

how do you fix f29 on a vaillant eco tec pro
Mend help left hot

vaillant vcw282gb eh?

Please help: vaillant vcw282gb eh was working fine last season. I left it off as hot water was not working. Wh... [Read more]
Mend sparks light gas

how can i fix my vaillant 2421e boiler?

boiler ignistion sparks but pilot will not light could this be a faulty gas valve
Mend vaillant vcw combi boiler

How can I fix my Vaillant VCW combi boiler?

we have hot water but no heating
Mend pressure low turn

Vaillant Ecotec Plus - pressure problem?

Hi, I've got a Vaillant ecotec plus 831, and pressure's low. Not F22 low yet but getting there. I know I ju... [Read more]
Mend vaillant boiler hot cold

how can i fix my vaillant vcwgb242eh boiler?

after running hot water for some time,when i try to run hot water again shortly after it runs cold also the he... [Read more]

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