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Mend potterton developed fault

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [Read more]
Mend boiler sounds constantly

Worcester greenstar 30cdi ?

I had my boiler serviced last week and since then it sounds like it is constantly firing up 24hrs a day.Previo... [Read more]
Mend micro fine boiler

Heating? Ariston micro genus 27 mffi?

hot water fine but when I put heating on the boiler fires up but the motorised valve just fitted on boiler doe... [Read more]
Mend boiler working time

Greenstar RI boiler not working?

We have a WB Greenstar RI boiler that is about 7 years old and has run pretty faultlessly in that time. It has... [Read more]
Mend making heating hot

vokera excell 80SP?

The boiler is making the right noises but no heating or hot water
Mend fault fan flue

Fault on fan or flue?

Our recently installed Main Combi 30 He ECO boiler is displaying a 50 degree LED fault (Fault on fan or flue).... [Read more]
Mend worcester problem hot

Worcester boiler 35CDi?

What can be wrong with my boiler? I first noticed a problem when my shower began running hot then cold, hot th... [Read more]
Mend boiler water heating power

Eurocal oil fired boiler - HOT water no heating?

i have hot water but the heating wont come on i turned the boiler power off for a week when we went on holida... [Read more]
Mend oil boiler pump

worcester heatslave 20/25 rso oil boiler?

is the circulating pump in operation when in hot water mode,ie heating turned off.
Mend combi boiler number time

remeha avanta combi?

My boiler is showing a number 8 all the time, hot water is fine but no central heating. Any help?
Mend boiler water heating

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
Mend fault heating water runs

Ferroli F30 fault?

Ferroli F30 in Heating and Hot Water mode runs for approx. 5 seconds then cuts out. The boiler doesn't display... [Read more]
Mend heating hot water boiler replaced

Potterton Netaheat M11 no heating no hot water?

The boiler lights up and gets very hot and then closes down. We have replaced pump and fan. Zone valve wor... [Read more]
Mend started fuse water

Glow-worm 30cxl?

Started off blowing 3amp fuse in boiler, water cold but heating working ok, engineer came out and fitted a ser... [Read more]
Mend water vokera shower

Variable hot water - Vokera Excell 80SP?

I have an issue whereby when in the shower, the hot water varies in temperature. Every few minutes the heat d... [Read more]
Mend boiler middle despite

Boiler keeps firing up when heating/water is off?

My Glowworm 40FF boiler keeps firing up in the middle of the night despite no water/heating turned on. Any ide... [Read more]
Mend boiler house heating

rd1 340 boiler switchs of after 10_12 seconds ?

Been round some ladies house ,they have had no heating or hot water boiler fires up but goes out after 10_12 s... [Read more]
Mend flashing red hot water pressure

Baxi combi 80e flashing red on 60c no hot water, no heating?

Pressure was under 1 bar, aded some water to 2.5 bar..still no working. Flashing red on 60C, hot water and ra... [Read more]
Mend light boiler working control

No light in running lamp glowworm 18si?

boiler working fine, turned control panel to off for both heating and water for weekend, return pressure gauge... [Read more]
Mend h pump keeps

My Vaillant VCW GB 280 H combi-boiler, pump keeps running ?

The pump on my Vaillant some times keeps running after the heating and hot water demand have switched off? Th... [Read more]

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