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We have 416 questions about mending 'pressure boiler fault'

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Mend Heating, Home Heating Systems

How can i fix my Worcester 24i Junior combi boiler?

My boiler will not always ignite for hot water but would for central heating and the red fault light would fla... [Read more]
Mend D.I.Y, Plumbing

Worscester Bosch 24i Junior, Ignitor light flashing?

I had my boiler fixed and tested last march and everything seems to be working fine with it. However this ligh... [Read more]
Mend Heating, Home Heating Systems

how can i fix my jaguar 23?

i can not get the boiler to fire up when i turn the hot water on there for not geting any hot water. i have th... [Read more]
Mend Heating, Home Heating Systems

Glow worm Space Saver 38 Fault?

Hi, i recently removed a radiator to decorate behind it. I turned off the two end 'taps' on the radiator, the... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]
Mend Heating, Home Heating Systems

boiler fault?

boiler pressure keeps dropping .have changed pressure switch and p.r.v valve. exspansion tank seems ok . cant ... [Read more]
Mend Heating, Home Heating Systems

potterton 80 combi boiler not igniting?

The lock out light comes on whenever I turn on the hot tap, I reset and try again and same happens. I have tr... [Read more]
Mend Heating, Home Heating Systems

How can I solve fault code e33/34 on an ariston microgenus? ?

How do I solve the fault codes e33/34 on my ariston microgenus 28kw condensing boiler? I have changed the air ... [Read more]
Mend Heating, Home Heating Systems

Icon 23T High Pressure problem, no hot water?

Hi, I have an icon 23T boiler, which is constantly on >4Bar pressure and off the scale, not the hot water dont... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat Profile 80e?

The boiler will not fire up when heat is called for. The pilot lights up and remains on with the fan working a... [Read more]
Mend Heating, Home Heating Systems

how to light my glowworm boiler?

I have had problems in the past and have changed the air pressure switch and printed cicuit board which cured ... [Read more]
Mend Heating, Home Heating Systems

potterton puma 80e?

I have identified the fault on my boiler is the water pressure flow switch by removing the 2 yellow wires, it ... [Read more]
Mend Heating, Home Heating Systems

Problem with Potterton Netaheat 10/16?

Fans starts on demand, but boiler fails to fire. Pressure switch does not operate, but will operate when I blo... [Read more]
Mend Heating, Home Heating Systems

What is the problem with my Worcester Combi 350 boiler?

I have a Worcester 350 Combi boiler. During the last two to three weeks the pressure showing on my boiler pres... [Read more]
Mend Heating, Home Heating Systems

Ferroli hawk 2 air pressure switch fault?

The air pressure switch on my combi is faulty . Is a similar air pressure switch from another ferroli boiler s... [Read more]
Mend Heating, Home Heating Systems

Why does water pressure drop in my boiler...Fault F22?

I have the same problem. The pressure drops about 3 to 4 times a day. The boiler of less than 2 years old and ... [Read more]
Mend Heating, Home Heating Systems

Baxi 310 Luna Fi combi boiler - low pressure/pump fault?

I have an LED light error stating a low pressure or fault on pump. I have repressurized the system (which work... [Read more]
Mend Heating, Home Heating Systems

potterton performer 28 leaks water?

when heating is switched on, the boiler seems to leak cold water from around the open 15mm pipe, under the ass... [Read more]
Mend D.I.Y, Plumbing

Netaheat failure to ignite?

Netaheat 10/16 Mk 2 has developed a fault. When the boiler is activated either manually or by the timer the f... [Read more]
Mend D.I.Y, Plumbing

f.25 fauly code?

i have a vaillant ecomax combi boiler,every now and then it shows me the fault code f.25.in the book this says... [Read more]
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