Fix Fault Boiler

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We have 22642 questions about fixing 'boiler'

Worcester 35cdi?

Boiler light is on,and central heating is on although warm.the thermostat is not calling it to come on,it's just always on.no hot water. Worcester 35cdi


How to repair F4 code?

how to repair F4 code on Saunier Duval F12/1 boiler


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F4 showing on Morco but its not the Hi limit thermostat?

Hi, My Morco Feb 24 ED Prop (caravan) boiler keeps cutting out the heating and the hot water - sometimes just one of the two sometimes both together with the code F4 being shown. The high limit the ... more


My potterton boiler keeps losing water pressure and condens?

my potterton boiler keeps losing water pressure ans condensate trap keeps filling up real quick


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British gas 532/i?

our boiler the hot water keeps cutting out, it is showing the error U9 on the dial what does this mean ? British gas boiler 532/i


Halstead ace combi boiler?

Hi my halstead ace boiler isn’t heating water but my heating is working ok what can I do to fix


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How do I rectify aU9 Code?

Worcester Bosch Greenstar 37CDi Combi showing code U9? My boiler is showing code U9, I know this means that the temp has risen to 99 degrees. The result when I turn the hot tap on the boiler just stop ... more


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How can I get my steam iron to work. It’s a polti Vaporella?

Have a polti Vaporella steam iron. After being on for a while the steam comes out of the boiler base instead of the iron. What is wrong?


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Siemens RDH 10 RF Thermostat not triggering heating?

I have Siemens RDH 10 RF Thermostat and a Worcester Bosch Greenstar 30CDi combi boiler. The battery in the thermostat is fine. The green light is on on the wall sensor. When I turn up the thermostat ... more


Bosch combi 28i junior no hot water/heating going off?

My Worcester Bosch Combi Boiler, 28i Junior, red light flashing. It comes on after about 5 mins of me having turned on the heating and flashes slow for eg, the red light flashes in rhythm every 1/2 se ... more


Fagor?

fagor combi boiler runs for two days sometimes two weeks then cuts out with a red light wich flashes every four -five seconds


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Pressure gauge on a Potterton Boiler?

On a Potterton Powermasx HE what should the pressure gauge next to the refill loop read?


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Baxi solo 3 PFL 30?

Hi.I need a help.My boiler Baxi solo 3 pfl 30 not working. Boiler On- On Fan On- On Pilot On- On Burner On - Off.


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Fuse blew within hrs Halstead ACE HE 30 after being replaced?

Halstead ACE HE 30 boiler. The fuse went on the PCB and was replaced but only lasted a few hrs. I have another spare but just wondered why the fuse blew so quickly. Could it be a bigger issue. The ... more


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Halstead 40H boiler pilot keeps going out?

With the Halstead 40H boiler (1985) the pilot light was always problematic for staying lit if the wind blew directly onto the balanced flu. Was there ever a modification to improve this? The rest ... more


Worcester greenstar 25si compact?

how to raise the pressure worcester greenstar25si boiler


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Vailliant turbo max plus 824e?

vailliant turbomax plus 824e combi boiler, intermittent fault on domestic hot water supply, fails to come on when called for sometimes, have changed all three NTC,s flow, return and warm start it was ... more


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Switch master 905 controller?

How do you remove cover on switch master 905? For boiler


British Gas 532i?

I have a British Gas 532i boiler, when I got up this morning we had no hot water and I checked the boiler and all the lights and display were just flickering


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Myson velaire oil pump?

I have an old Myson Velaire oil boiler and the oil pump has seized is there a replacement out their that fits as the original is now discontinued?


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