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Mend vaillant hot water

Rising Pressure on Vaillant ecotec plus - What to do?

My Vaillant ecotec plus boiler is nearly a year old - it was fine all year giving just hot water but as soon a... [Read more]
Mend boiler vaillant valve

Boiler overheating and making noises Vaillant VCGB 112/142EH?

Had a new 3 port valve changed as radiators were coming on at the same time as water even though only water wa... [Read more]
Mend hot water not come

My hot water has not come on. Why?

My hot water has not come on my vaillant combi boiler but my heating has. What could be the problem?
Mend control knob snapped

replacing control knobs vaillant ecotec?

Vaillant ecotec combi boiler a control knob has snapped off and I have got replacements but cannot remove the... [Read more]
Mend connect wireless thermostat

How can I connect a wireless thermostat?

Hi! I have a vaillant turbomax 824e combiboiler and I have bought a wireless Salus programmable room thermosta... [Read more]
Mend hot water central heating

Why do I have hot water but no central heating?

My wall hung Vaillant condensing boiler is providing hot water but not central heating and does not show a fau... [Read more]
Mend heating radiators changed

heating problem ; vaillant ecotec plus 831?

I have nearly one year old vaillant ecoplus 831,I have just five radiators changed my house and flushed system... [Read more]
Mend vaillant diaphragm 242e

vaillant boiler?

when replacing diaphragm in Vaillant Turbomax 242E which way up does it go the instructions are unclear URGEN... [Read more]
Mend pressure boiler instructions

room thermostats?

I managed to reduce the pressure on my vaillant ecotec pro boiler following your instructions, but when I turn... [Read more]
Mend vaillant boiler pressure

Vaillant boiler overflow leak?

My boiler pressure was low (less than 0.5) so after searching the net I found a video showing which screws to ... [Read more]
Mend vaillant gb 242

vaillant gb 242 eh - what should water level be? please help?

Hi The Ch and HW keeps cutting out as pilot wont ignite.looked at the water guage - red and white hands - whi... [Read more]
Mend vaillant ecotec boiler

pressure on vaillant ecotec pro28 boiler?

I have a vaillant ecotec po 28 boiler in my new home, which produces gallons of hot water, but as son as I tur... [Read more]
Mend vaillant turbo max

Vaillant Turbo max plus 828F display says S. 07?

The radiators have just been bled, no hot water now, central heating does not work either. Do we need a new p... [Read more]
Mend vaillant water running cold

Vaillant Turbomax 242e water running hot then cold then hot?

I have a Vaillant TurboMax 242e. The hot water runs hot then cold then hot, with the burner turning on then, p... [Read more]
Mend pressure boiler vaillant

How can i get the correct pressure back in my boiler?

I have a Vaillant turbomax boiler.After having a couple of radiators removed and then put back to the wall i h... [Read more]
Mend boiler broken off

radiator temperature dial on boiler broken off?

the radiator temperature dial on boiler broken off - or come off - the boiler works well but I cannot change t... [Read more]
Mend central heating pressure gauge

can i use my central heating with no pressure gauge?

can i use my central heating with no pressure gauge as when i opened the drop down door on it i broke the pi... [Read more]
Mend combi boiler hot burner

can some one tell me how i can fix my combi boiler?

My combi boiler hot water is running hot and cold , i have check the boiler and it go's on for 10 sec and off ... [Read more]
Mend combi boiler auto

Vaillant VCWGB242EH GC 4704413 Combi goes out immedi?

Hi, am working on the above boiler, was leaking at the auto air vent so tested the expansion vessel to find it... [Read more]
Mend working fine light

vaillant combicompact vcw gb 221 h?

Was working fine, but now it wont ignite, their is a polit light , electrics seem fine, can you help to diagn... [Read more]

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