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Nav screen shows: Result:NG in red?

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Mend Vaillant Light Boiler

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Mend hot air temp
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]
Mend Vaillant Turbomax Central Heating
1

my boiler will no work?

MY VAILLANT TURBOmax VUW242/1E has its power light on but I can not get hot water or central heating to work.
Mend Vaillant Boiler Error Code
2

How can I fix my Vailant Eco tec plus 438?

I've recently moved in and inherited the above boiler which worked really well up until this morning. I am get... [Read more]
Mend boiler combi boiler ignition
1

Vaillant boiler won't stay 'on'?

My Vaillant CH boiler 242 EB Combi - LPG fuel from 2x87kg cylinders Refuses to stay on; when the heating is o... [Read more]
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my boiler wont stay on?

Hi I have a Valliant eco 615 boiler Its gone off and its appears it wont stay light the flame Ive tried to... [Read more]
Mend boiler thermostat central heating
1

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]
Mend boiler fault code Vaillant
1

fault code on a vailant boiler turbo max 828e is f28 meaning no gas?

the fault code appears what is wrong with my boiler, the ignition goes on light up, then goes off, pls help me... [Read more]
Mend boiler pcb lockout
1

vaillant VUW 242e locked out?

as soon as boiler is switched on it goes to lock out immediately, pump runs, green light on, orange heating de... [Read more]
Mend Vaillant Boiler Heating
2

what is wrong with my vaillant turbomax 24e- flue light flashing?

The boiler has just been recently serviced and worked fine until this morning. I ran the hot water and it took... [Read more]
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Hot Air TempVaillant Turbomax Central HeatingVaillant Boiler Error CodeBoiler Combi Boiler IgnitionBoiler Heating ErrorBoiler Thermostat Central HeatingBoiler Fault Code VaillantBoiler Pcb LockoutVaillant Boiler Heating
Mend eco tec boiler

how do I rectify the fault as detailed below?
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Advice?
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Vailliant turbo max plus 824e?
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Vaillant VCW-Sine18 T3WFH Lights but then goes off after 5 Min?
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What does f.25 mean?
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Vaillant vcw gb242 eh central heating problem?
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Vaillant Ecotech Plus 831 F22 fault?
Mend Vaillant Turbomax Central Heating

my boiler will no work?
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Vaillant ecomax 828/2 e water pressure sensor?
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Valiant thermostat , BMU-Err ?
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Vaillant 828E - no hot water?
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No hot water, intermittent when air temp drops?
Mend boiler vaillant ecotec

can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?
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Hot water comes and goes!?
Mend boiler heating Vaillant

how to fix water pressure its down at bottom of grey part?
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Valliant Eco tec 28?
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Problem with the pressure in combi boiler?
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Vaillant eco plus 531 boiler?
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How do I fix f22 error on my Vaillent Ecotec Plus boiler?
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Vaillant F22 fault?
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vaillant ecoTEC plus boiler fault code - how to fix?
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Vaillant ecotec 831 plus?
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Why is heating on at night?
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Boiler over pressure on the hot-water side?
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Vaillant Thermocompact Fault?
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Vaillant condensing boiler ecoTEC plus?
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Vaillant igniting issue ( domestic ) not CH?
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Vaillant ecotec plus 630?
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my vaillant boiler is saying a code com on it ?

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