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We have 1193 questions about mending 'vaillant' in category Heating, Home Heating Systems

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Mend Heating, Home Heating Systems

my vaillant boiler is saying a code com on it ?

what do I do when your boiler says com on it an no heating or hot water
Mend Heating, Home Heating Systems

how can i fix my vaillant boiler its flashing F 22 then bar 0.4 . my house ?

My vaillant boiler is flashing F22 and bar 0.4 I've got no heating and no hot water can any one help me pls . ... [Read more]
Mend Heating, Home Heating Systems

Valiant thermostat , BMU-Err ?

Vaillant thermostat and boiler with the error message on thermostat What do I do?
Mend Heating, Home Heating Systems

Vaillant Turbomax 828e combi boiler.?

Do I turn the filling valve to increase the pressure, clockwise or anticlockwise? The filling valve key is ab... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

Vaillant atmoMAG 14l water heater cuts out?

the heater cuts out after 3/4 mins whilst showering, pressure said to be low in my area,so set to lowest on he... [Read more]
Mend Heating, Home Heating Systems

Vaillant Thermocompact Fault?

My 10 y.old Thermocompact 624e is refusing to start. I keep getting code F 1 on display, then it tries to star... [Read more]
Mend Heating, Home Heating Systems

Bmu error?

Vaillant ecotec plus heating system displaying bmu error, tried the fix using taps to increase pressure howeve... [Read more]
Mend Heating, Home Heating Systems

Why is heating on at night?

Although aour Vaillant boiler is set on timer for mornign and evening the heating comes on through the night a... [Read more]
Mend Heating, Home Heating Systems

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.

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