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We have 107 questions about mending 'water vaillant valve' in category Heating, Home Heating Systems which have been answered

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Mend Heating, Home Heating Systems

Vaillant Combi VC242EH switch for hot water not clicking in?

I have a Vaillant Combi boiler 242EH but cannot get ant hot water through, without removing fron lower panel o... [Read more]
Mend Heating, Home Heating Systems

Hot water cutting out?

Hi, I have a vaillant 837E turbomax and from time to time the water will not heat on opening of a tap. Wh... [Read more]
Mend Heating, Home Heating Systems

how to fix banging on turbo max plus vaillant boilerboiler?

boiler only bangs when heating is on and you turn the tap on for hot water it has already had the port valve r... [Read more]
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How do I re-pressure Vaillant VCW-sine 18 T3WF H combi boiler?

I have a Vaillant VCW-sine 18 T3WF H combi boiler that has lost water pressure. I haven't got the manual and a... [Read more]
Mend Heating, Home Heating Systems

intermittent heating fault?

fault with heating on Vaillant vuw242e hot water works perfect however when heating is called for will only wo... [Read more]
Mend Heating, Home Heating Systems

leaking Vaillant 282/242 EH?

my vaillant has developed a small leak from what i assume is the diverter valve. this part is round and about ... [Read more]
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Problem with Vaillant TurboMax VUW 242E, fan/boiler not running?

My boiler had divertor valve problem in past, plumber replaced it for a reconditioned one-it lasted about 2 mo... [Read more]
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vaillant turbomax boiler dripping water from overflow outside?

my boiler needs toping up with water and it is dipping from the over flow new valve fitted
Mend Heating, Home Heating Systems

My vaillant boiler 242/1E hot water?

When heating is operating having difficulty obtaining hot water. The problem started after changing the divert... [Read more]
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Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]
Mend Heating, Home Heating Systems

Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]
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Vaillant Turbomax VUW GB 242 E - no hot water?

CH works fine. DHW works when CH is on. No DHW when CH is off. White rocker arm isn't pushing down the mi... [Read more]
Mend Heating, Home Heating Systems

how can i fix my vaillant turbo max 282?

i have a vailant vuw282 turbo max the heating system works fine, but the running water isnt getting up to temp... [Read more]
Mend Heating, Home Heating Systems

Poor hot water temperature with heating on?

I have a Vaillant Turbomax combination heating boiler. When the central heating is operating & a hot tap is... [Read more]
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Vaillant Turbomax VUW242E No hot water?

I have a Vaillant Turbomax VUW242E boiler,Heating is ok but not getting any hot water. I have replaced the DH... [Read more]
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Vaillant turbomax combi hot water problem?

just had a new diverter valve fitted as we were getting no hot water. (central heating fine) problem still ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Turbomax 824?

I have a Vaillant Turbomax 824 combi boiler. Recently, when I open the hot water tap without CH on, the water ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my vaillant vcw gb 240?

the fan on the boiler runs constantly, it gives hot water but no heating. there is presure of 1.5 bar i have o... [Read more]
Mend Heating, Home Heating Systems

Why is my Vaillant Turbomax VUW boiler pressure dropping after a service??

Hi, I had my boiler serviced and repaired (replacement diaphragm and push rod as micro switch wasn't workin... [Read more]
Mend Heating, Home Heating Systems

Combi boiler-pressure low-hot water ok?

Hi, I have a Vaillant Turbomax 242/282e boiler and the pressure has dropped to 0.5. Hot water is fine from al... [Read more]
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