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Mend Vaillant

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Mend work help combi number

central heating,won't work, help!?

lpg combi boiler,vaillant,no markings or model number. guessing about 10 or more years old. timer working fin... [Read more]
Mend pump hot central

Vaillant 282 water pump runs continuously?

Pump runs all the time when either hot water or/and central heating is switched on. During winter holidays I l... [Read more]
Mend Heating, Home Heating Systems

VAILLANT 837E PRESSURE LOSS?

HI,I HAVE TO KEEP OPEN THE WATER VALVUE TO TOP UP WATER PRESSURE GAUGE,
Mend boiler tap heating

vaillant turbomax 242e no hot wter?

boiler will not fire up when hot tap turned on heating work's and pressure is there
Mend vaillant boiler time

Vaillant boiler crash bang whallop every time it lights up?

There is a loud noise every time Vaillant boiler fires up. Had two diverter valves already and drained system.... [Read more]
Mend water running hot tap

No water running from hot tap?

I have no water symbol on my Vaillant Eco Plus boiler and when the hot water tap is turned on no water runs fr... [Read more]
Mend boiler valves flat

VAILLANT TURBOMAX BOILER BROKEN FILLING VALVES?

Hi, I have a flat I let out and the tenants have managed to sheer off the head of the filling valves with ... [Read more]
Mend combi set time

vaillant combi mind of its own?

I have a vaillant vcw gb 240h dos,nt ignite up when set for on time although controller is ok and pump kicks i... [Read more]
Mend vaillant eco boiler heating

Vaillant eco boiler heating dial?

How can I mend the heating dial on the boiler, which controls the radiator temperature, that has just fallen o... [Read more]
Mend vaillant firing boiler

Vaillant 242 E - Burners not firing?

Another old boiler where the themostat kicksin the motors start but the flames don't light. At onepoint we co... [Read more]
Mend boiler hot water

how can i fix my boiler?

I have a vaillant turbomax plus 837e boiler and i have lost the pressure , so i have no hot water . I have had... [Read more]
Mend hot water running cold

vaillant 221H hot water problem?

When running bath water the water starts out hot and then goes cold and then hot again. When watching the main... [Read more]
Mend tap turbo max

Hot water cools when tap is opened fully?

Hi. I have a Vaillant Turbo max plus 824E, that works fine untill the bath hot water tap is opened fully and... [Read more]
Mend reduce boiler red

How do i reduce the pressure on the Vaillant boiler?

I have a Thermocapact Vaillant Boiler and when it is running the pressure is at 3bar (on the red mark). i n... [Read more]
Mend switched normal installed

Our new Vaillant boiler whines/whistles very loudly when switched on ?

Our new Vaillant boiler whines /whistles very loudly when it is first switched on for about 5 minutes. Is this... [Read more]
Mend vaillant fault showing

Model Vaillant eco TEC 831, Fault showing F75 what does it mean ?

My Valliant eco Tec 831 failed today, giving reading of F75, does anyone know what it means. I switched of at ... [Read more]
Mend boiler problem number

cant get info on my boiler ?

i have an old vaillant boiler need to get a manual for, i know how to do this but my problem is that i cant fi... [Read more]
Mend vaillant vuw 242

vaillant vuw 242?

is my diverter valve faulty on the hot water. the heating flow pipe gets hot when the hot water is running and... [Read more]
Mend boiler flashes flashing

my vaillant 630 boiler flashes f61?

my vaillant 630 boiler keeps flashing f61 and f27
Mend manual vaillant hot

Does anyone have the user manual for a Vaillant VCW GB 221 H?

I have the instructions for Installation and Servicing, but need the user manual as I now have not hot water o... [Read more]

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