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We have 765 questions about mending 'fault boiler hot'

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worcester bosch 240 boiler fault?

central heating works fine but hot water is only luke warm 240 combi boiler
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Ferrloi 25c no Heating after new PCB fitted?

Initial fault of F26 caused by frozen condensate pipe. F 26 couldn't be cleared so the PCB had to be changed. ... [Read more]
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vaillant eco tec pro fault code "F28"?

No heating or hot water, red LED also lights up. tried to ignite boiler but no joy. How to fix it ?????
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hi my vokera unica 28 boiler suddenly went to fault 10?

hi my vokera boiler red light came on ive disconeted the white pipe had a gas engineer out and he empty resovw... [Read more]
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Worcester 24i RSF Junior boiler - pressure problem?

The pressure on my boiler keeps dropping to ½ or below and when the heating is on it goes up to 4. Sometimes ... [Read more]
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boiler repair ?

my glow worm flexicom cx condencing boiler keeps displaying f9 fault is there any way to sort this problem out... [Read more]
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Glowworm Spacesaver 50 BF sooty?

My faithful Boiler of 25 years is producing soot despite cleaning. It has been suggested that the burner unit ... [Read more]
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how can i fix my baxi 105e boiler?

the boiler works the central heating but the hot water does not work, in fact no hot water comes from any of t... [Read more]
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Baxi 105e fault- barely any CH, HW little better. Ideas?

Unsure if this is 2 separate problems or just 1. Would love some help. My rads have been almost cold for 1... [Read more]
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Worcester Greenstar Highflow 440 fault?

Fault code EA flashing, have cleared the condense pipe have reset boiler but heavy gurgling sound can be hear... [Read more]
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ravenheat white star 100?

the boiler will fire up on hot water and heating after a few seconds it shuts down, it will keep coming on the... [Read more]
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maxol microturbo 402?

when i turn the hot water on from the programmer, the boiler will fire up to heat water but the central heati... [Read more]
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what is an f9 fault on my boiler?

when i run the hot water the boiler flashed f9 fault its a glow worm 30ci boiler
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C&M Britony 100 hot water goes hot to cold?

Hello, My boiler has been getting progressively worse and worse and I'm literally getting just cold water o... [Read more]
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Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]
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Fault code E133 & E168 Flippin boiler!!?

Hi all I have the potterton pro max boiler too which decided to break down on me displaying fault code e133. ... [Read more]
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worcester 24i rsf. intermittent pump and unreliable burner firing?

problem with boiler - when i demand hot water, the pump will work but sometimes burner will not fire up, somet... [Read more]
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Ravenheat CSi 150 CH problem?

Hi My HW works fine, but when i put the CH system on the rads warm up nice and hot the boiler stops as expecte... [Read more]
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Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]
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worcester bosch hi flow 400?

Why does the hot water continually fluctuate between hot and luke warm? The fault is accompanied by what soun... [Read more]

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