How to mend Vaillant

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]

Valliant824 frost guard won't disengage?

After frost protection engages will not revert to normal operations until boiler is switched of for a time

valiant water heating boiler not working showing F22 fault any help please?

Valiant water heating boiler not heating radiators or hot water please help

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]

1

What does f.25 mean?

I have money in my meter but my vaillant boiler keeps saying f.25 the pressure is just above the first line w... [Read more]

1

Vaillant igniting issue ( domestic ) not CH?

Hello to everyone, I have a Vaillant sine 18 T-3 combi boiler that was installed in 1985. Have had parts repl... [Read more]

3

How do I fix f22 error on my Vaillent Ecotec Plus boiler?

I've tried turning the valves located underneath the boiler, but I'm having no success. I can't hear anything,... [Read more]

1

Valliant Eco tec 28?

I can't turn the screw on cold pipe as it looks Like it has threaded. so i am unable to top up water Pressur... [Read more]

1

Vaillant ecomax 828/2 e water pressure sensor?

Hi, I need to replace the water pressure sensor, I understand that it's a quite straight forward fix, can some... [Read more]

2

my vaillant boiler is saying a code com on it ?

what do I do when your boiler says com on it an no heating or hot water

how can i fix my vaillant boiler its flashing F 22 then bar 0.4 . my house ?

My vaillant boiler is flashing F22 and bar 0.4 I've got no heating and no hot water can any one help me pls . ... [Read more]

1

Valiant thermostat , BMU-Err ?

Vaillant thermostat and boiler with the error message on thermostat What do I do?

Heating not working ?

I have a Valliant ecotec plus 831 I have hot water, I have tried to put it in heating mode for the heating to ... [Read more]

Vaillant Turbomax 828e combi boiler?

Do I turn the filling valve to increase the pressure, clockwise or anticlockwise? The filling valve key is ab... [Read more]

1

No hot water, intermittent when air temp drops?

My vaillant turbomax 282e has an intermittent fault on the hot water side. On demand the sequence commences co... [Read more]

Vaillant atmoMAG 14l water heater cuts out?

the heater cuts out after 3/4 mins whilst showering, pressure said to be low in my area,so set to lowest on he... [Read more]

valliant turbomax plus water pressure problem?

just had dhw heat exchanger fitted and now water pressure for the ch keeps rising unless l turn water off at s... [Read more]

1

Vaillant Thermocompact Fault?

My 10 y.old Thermocompact 624e is refusing to start. I keep getting code F 1 on display, then it tries to star... [Read more]