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We have 284 questions about mending 'hot water demand'

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Mend Heating, Home Heating Systems

Worcester boiler 28 cdi - Re igniting when lit?

I have had a number of problems with a Worcester 28 CDI recently. The board had to be replaced as a circuit h... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]
Mend Heating, Home Heating Systems

worcester 350 combi boiler keeps tripping RCCB?

As soon as demand for either hot water or central heating is called for the RCCB in my consumer unit trips.Any... [Read more]
Mend Heating, Home Heating Systems

The heating on my Worcester 280 boiler has stopped working?

The hot water heating works on demand but the heating doesn't. The LCD display isn't working. This hasn't been... [Read more]
Mend Heating, Home Heating Systems

Ideal isar combi stuck in DHW, won't fire?

Hello Does anyone know much about Ideals? Mine is stuck in dhw, it isn't firing (no fan no pump either).... [Read more]
Mend Heating, Home Heating Systems

Ferroli Domina 80 problem Tech help needed?

Hi I have a domina 80 combi that wont fire up for either hot water or ch. If you switch HW on the demand light... [Read more]
Mend D.I.Y, Plumbing

Valiant VCW GB221H does not fire on demand?

I have a combiboiler of the above model. It has been shut down for the past 12 months or so. I have flushed th... [Read more]
Mend Heating, Home Heating Systems

Vaillant VCW GB 242 E :- Failure to iginite when central heating demanded?

My Vaillant VCW GB 242 E Combi Compact Wall Mounted Boiler is failing to ignite when the central heating is sw... [Read more]
Mend Heating, Home Heating Systems

Worcester 24CDi Series - Domestic Hot Water demand indictor flashing?

How do I check that the flue terminal has not been obstructed and that the fan and air pressure switch are in ... [Read more]
Mend Heating, Home Heating Systems

Vokera boiler always at 55-60degC?

Although it is summer and all settings are down at lowest mark the and no radiators are hot and on/no taps run... [Read more]
Mend Heating, Home Heating Systems

how can I get hot water from my potterton lynx EP 4000?

I cannot get hot water from my potterton boiler, the gas supply is ok and when I turn the hot water tabs on th... [Read more]
Mend Heating, Home Heating Systems

how can i repair my worcester 26cdi combi boiler?

the hot water and central heating are overheating and shutting the boiler down. when iether are called for on ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my worcester 24cdi combi?

problem is no hot water from taps although my central heating works fine rads come on on all settings and boil... [Read more]
Mend D.I.Y, Plumbing

Intermittent hot water problem?

I have a Vokera Maxin 28e combi boiler and it has started only providing intermittent hot water. This makes i... [Read more]
Mend Heating, Home Heating Systems

Worcester Highflow 400?

What is wrong if the CH light flashes rapidly, there is an equally rapid ticking from the control mechanism an... [Read more]
Mend Heating, Home Heating Systems

Ideal evo he c22/24 no hot water?

When I turn the hot tap on there is no hot water but the heating comes on , even with no demand for heating . ... [Read more]
Mend D.I.Y, General D.I.Y

can only get hot water available at certain times of day?

My Medway thermostatic gas fired water heater has decided to provide me with hot water at certain times of the... [Read more]
Mend Household Appliances, Washing Machines

Fisher & Paykel Excellence 5.5 doesn't start?

Model: GW508K The washer turns on and lets us select the wash mode but pressing start doesn't start the cyc... [Read more]
Mend Heating, Home Heating Systems

Losing pressure in a Chaffoteaux Britony Combi SE 80?

My Britony Combi SE 80 keeps losing pressure, when I boost it with the filling loop its ok for a short while b... [Read more]
Mend Heating, Home Heating Systems

Worcester bosch highflow 400 combi boiler NOT working?

There is no water or heating in my flat.....the black arrow on the pressure gauge is at around 1.5....( it was... [Read more]
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