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Mend 12 Central Water

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We have 36 questions about mending '12 central water'

How to mend ... 12 Central Water

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Mend Heating, Convector Heaters

How can I fix my Worcester 24CDi Boiler's low pressure?

I have a Worcester 24CDi and it is very low pressure (0.1-0.2). The central heating is not working but hot wat... [Read more]
Mend Heating, Home Heating Systems

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
Mend Heating, Home Heating Systems

halstead boiler?

Repeated query when I turn on the hot water the system tries to start but fails.I try again & it fails. I swit... [Read more]
Mend D.I.Y, Plumbing

What is my problem?

When I turn on the hot water, the system tries to start but fails. I try again, fails. I switch off the system... [Read more]
Mend Heating, Home Heating Systems

Honeywell ST7100 programmer goes blank when RUN selected?

10 minutes after I came home yesterday(28/12/2012) the power cut . Since then the central heating/hot water ha... [Read more]
Mend Heating, Home Heating Systems

sime combi ?

i have sime ecomefort H.E it is 12 months old i have no central heating connected i only run hot water fro... [Read more]
Mend Heating, Home Heating Systems

do i need replacement part or new boiler?

i have a vaillant combi bolier ref no vuw242 I have had this for about 12 years and now have a leak the water ... [Read more]
Mend Heating, Home Heating Systems

What does the error code "L.E."mean on an isar HE24 combi boiler?

Some times when the boiler is running on central heating,the cut out opperates and L.E.flashes.Nothing works u... [Read more]
Mend Heating, Home Heating Systems

No hot water, central heating OK?

Boiler is over 12 yrs old and was regularly serviced but not for past 18 months. Everything was OK but sudden... [Read more]
Mend Heating, Home Heating Systems

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]
Mend Heating, Home Heating Systems

worcester greenstar 24i junior boiler stopped working?

Help I have a worcester 24i junior boiler 4 years old which the pressure keeps dropping had a leak a few weeks... [Read more]
Mend Heating, Home Heating Systems

water pressure drop in isar he24?

When the central heating is in "off" mode, the boiler will kick in every 12 hrs to raise the water pressure. ... [Read more]
Mend Heating, Home Heating Systems

How can i get heating back on after power cut?

I have a central heating system - the timer lost power for a long time while i was on holiday. I had to repla... [Read more]
Mend Heating, Home Heating Systems

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]
Mend Heating, Home Heating Systems

Hot water and Central Heating Not coming on?

I have a valiant turbo max about 10 yrs old, i have no hot water and the light is not coming on, also the cent... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 12/14 central heating but no hot water?

worcester heatslave 12/14 the central heating is working but there is no hot water,
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