How to repair F4 code?

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

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Tybox 827 rf shut-down?

I have a Tybox 827 rf which is not responding to my heating settings after I allowed the 'service due' reminder to go over the 30 days (ie the reminder had stopped flashing and become static) before r ... more

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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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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

F1 fault?

My Marco Feb -24E is showing fault F1 what does that mean?

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How can I mend my Heat Surge Unit Model #X5A?

My Heat Surge unit Model X5A comes on for heat and then turns off the heat, while the blower and other components continue to work. What part would I need to repair? Do you know where to find a com ... more

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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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Boss therm bps242rf timer not coming on?

Hello I have the boss therm bps242rf and have my timer on but last few days the heating is not coming on the small triangle that comes on the display when heating it meant to be on is not coming on so ... more

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Drayton Digistat +RF Model RF-601?

Drayton central heating control system. Occasionally sticks on heating when it should have shut down. Only way to stop it is to turn power off.

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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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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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Dimplex Duo 400i clicking temperature control display?

Dimplex Duo 400i clicking temperature control display