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We have 765 questions about mending 'fault boiler hot'

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Mend Heating, Home Heating Systems

no hot water from my halstead combi either! How can I fix it?

I had Halstead combi quatro boiler central heating instaled in 1996. central heating rads fully working but My... [Read more]
Mend Heating, Home Heating Systems

Why does the main burner(CF 40 furingas) start roaring at times?

Ref above my boiler is a Potterton Kingfisher free standing open flue gas fired boiler (approx 25 years old) a... [Read more]
Mend Heating, Home Heating Systems

saunier duval boiler not working?

in response to recent answer will try and re-pressurise but have noticed water leaking from underneath boiler ... [Read more]
Mend Heating, Home Heating Systems

pressure gauge zero on saunia duval combi boiler?

recently I've been getting no hot water or central heating from my saunier duval combi boiler and the pressure... [Read more]
Mend Heating, Home Heating Systems

Vaillant VCW GB 242 EH?

I have a vaillant vcw gb 242 eh boiler that was already in my flat when i bought it, i have no idea how old it... [Read more]
Mend Heating, Home Heating Systems

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]
Mend Heating, Home Heating Systems

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]
Mend Heating, Home Heating Systems

halstead ace hot water fault?

when runing the tap slow hot water o.k when run fast boiler cuts in and out fault much worse when temp control... [Read more]
Mend Heating, Home Heating Systems

Is the Heat Exchanger at Fault?

I have a Vokera Option Boiler A Engineer told me that the hot water circuit was leaking into the CH system ra... [Read more]
Mend Heating, Home Heating Systems

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]
Mend Heating, Home Heating Systems

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]
Mend Heating, Home Heating Systems

How to fix/diagnose problem with my Vaillant combi boiler VCW-GB 242E?

When the hot tap is run or the heating switched on, the boiler ignition continues to spark, but the boiler doe... [Read more]
Mend Heating, Home Heating Systems

My Baxi Solo 3PFL 50 not working please help?

Today of all days it decides to turn off just when the home emergency cover has expired. Anyway the fault is t... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e c/heating cycling?

The boiler seems to be heating in bursts. The main burner is only lighting for a few seconds and then shuts o... [Read more]
Mend Heating, Home Heating Systems

baxi bahama 100 combi knackered again-advice requested?

After several flow switches and a new PCB over the years my Baxi boiler has developed another fault. I am assu... [Read more]
Mend Heating, Home Heating Systems

Alpha CB24 Boiler Fault?

Hi, My Alpha boiler CB24, switches off after running for a few minutes. The B light flashes every second. If y... [Read more]
Mend Heating, Home Heating Systems

fault on saunier duval boiler?

I have a Thermaclassic F30E boiler which keeps displaying F12. I was using the hot water tap, central heating... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 24 combi boiler on off cycling problem?

My Potterton Performa 24 combi boiler ignites correctly but only stays on for a minute initially then switches... [Read more]
Mend Heating, Home Heating Systems

how to fix my gas boiler make lxff fanned flue gas boiler?

(classic lxff and ff fanned flue gas boiler) My central heating has an intermitent fault and sometimes will on... [Read more]
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