How to mend Vaillant

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Water dripping from opening at top of pump?

I've got a Vaillant thermocompact that keeps losing pressure. There is water dripping from what looks like a s... [Read more]

Boiler vailant heating system?

Flashing F22, I have no heating Or hot water. thanks for any help

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How can I fix my Vaillant turbomax 828 ??

A certificated plumber recently made a repair to my Vaillant boiler, after which the unit appeared to be worki... [Read more]

Clock not working?

On a vanillant boiler timer clock not working

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Vaillant ecotec 937?

Firstly thanks to ltd for response reference no hot water. I have no hot water from my Vaillant ecotec 937 - ... [Read more]

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I have no hot water from Vaillant eco tec 937?

I have no hot water from Vaillant eco tec 937- only cold water flows through the hot taps - diverter valve rep... [Read more]

Ecotec 831?

diverter valve was leaking and sticking, now the valve has been changed on power up the stepper motor moves fu... [Read more]

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how to fix error code f64?

boiler keeps showing error code f64 even when reset.it is a 828 vaillant turbo max boiler

Vaillant eloblock problem?

hello. I have a 6kw water heater from vaillant and it recently shut down from an overheat protection, (F 20 ... [Read more]

Vaillant gb 242 eh?

My central heating will not ignite the fan comes on ok and the hot water works ok

home heating system?

my eco tec vaillant boiler heat water but the central heater can not start

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lhow to fix Vaillant ect tec pro f75 fault?

My vaillant ecotec pro 28 He combo Ng has come up with a F75 fault.I can reset it and everything's fine until... [Read more]

vaillant ecotec plus 937?

pressure rising from 1.2 to 2.4bar in couple of hours even with boiler turned off. Suspect plate heat ex. any ... [Read more]

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How can I fix my vailant boiler which is reading f.22 water shortage?

How can I fix my vailant boiler which is reading f.22 water shortage?

isar he24?

My Isar HE 24 pressure is really high at 3.5. What can I do. A workman has said that as it is this high it mig... [Read more]

how to fix f22 on vaillant ecotec plus 418?

I came home to a fault f22 on my boiler. How do I pressurise my boiler as I cant see any taps or anything unde... [Read more]

how can i fix my humax vaillan heating ?

there is hot water No heating, radiator light is not on

Is my Siemens room thermostat wired in correctly?

I have a Siemens RDJ10RF room thermostat set fitted to my Vaillant Ecotech Plus 831 boiler. The remote room st... [Read more]

Where to find the BR1 receiver for Boss Thermostat?

I'm trying to follow instructions on another thread to reset my Boss Thermostat, which has stopped communicati... [Read more]

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Vailllant ecotec plus 937 - fault code?

I had a power cut and switched off my boiler (ecotecplus 937). When power was restored I put it back on and th... [Read more]