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We have 239 questions about mending 'gas boiler switch'

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Mend D.I.Y, Plumbing

how do i know if its broken?

i have a gas fire with a back boiler, the pilot light is lit but when i turn my hot water on it wont fore up, ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my Ariston Microgenus gas boiler?

when i switch the boiler on; the fan comes on but does not light up. e34 shows up.
Mend Heating, Home Heating Systems

Immersion Heater Not Heating?

Since my gas boiler went wrong (waiting for warmfront to replace), I have been making do with my electric imme... [Read more]
Mend Heating, Home Heating Systems

Why does my boiler not turn off?

Hi. I have a Potterton Ultra DV40 boiler and also a Megaflo unvented water heater. When the boiler is heating ... [Read more]
Mend Heating, Home Heating Systems

Worcester 240 - WAter coming out too hot - causing overheat saftefy cutoff?

Worcester 240 Combi RSF. The Tempereature knob in the front doesnt seem to make any difference, as the wate... [Read more]
Mend Heating, Home Heating Systems

no ignition?

Wor/Bos 350 combi, i switch the boiler on, circuit board switches (3 phase) click to start but the electronic ... [Read more]
Mend Heating, Home Heating Systems

POTTERTON NETAHEAT?

My boiler will not stay on. The pilot light lights the gas but then turns it off, then on again, then off aga... [Read more]
Mend Heating, Home Heating Systems

Ideal Elite wall-mounted gas boiler pilot light will not stay alight?

My Stelrad Group Ideal Elite model gas CH boiler pilot light starts immediately the ignition switch is pressed... [Read more]
Mend Heating, Home Heating Systems

Why does the main burner(CF 40 furingas) start roaring at times?

Ref above my boiler is a Potterton Kingfisher free standing open flue gas fired boiler (approx 25 years old) a... [Read more]
Mend Heating, Home Heating Systems

potterton 16/22 not staying on?

i have recently drained and flushed the system and refilled it with a suitable inhibitor but now the boiler i... [Read more]
Mend Heating, Home Heating Systems

Glow worm compact 100e combi - red light on when cold?

When our Glow Worm Compact 100e combi boiler is cold (i.e. first thing in the morning), the red warning lamp l... [Read more]
Mend Heating, Home Heating Systems

baxi back boiler - standard timer for heating/water not coming on?

my problem is that there is a fused switch under the timer that is usually lit and has now gone off. i have ch... [Read more]
Mend Heating, Home Heating Systems

How to fix my Ferrolio Modena 80E gas boiler?

Each day I have to fill the boiler up with water because it has leaked out the over-flow outside the night bef... [Read more]
Mend Heating, Home Heating Systems

Vaillant VCW GB 242 EH?

I have a vaillant vcw gb 242 eh boiler that was already in my flat when i bought it, i have no idea how old it... [Read more]
Mend Heating, Home Heating Systems

Why would the pilot light keep going out on Smith GB100W Natural Gas Boiler?

Good Morning, Yesterday morning we woke to no heat after installing a brand new heater (replaced twice in t... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]
Mend Heating, Home Heating Systems

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]
Mend Heating, Home Heating Systems

Why does my main burner not start?

I have a Potterton Netaheat Electronic 10/16 gas boiler. When I switch it on the fan starts normally, then the... [Read more]
Mend Heating, Home Heating Systems

who can fix my sime 80c format boiler?

My boiler makes a loud squealing sound when the central heating is on and we use the hot water. This used to b... [Read more]
Mend Heating, Home Heating Systems

How can I light Pilot light on Potterton Kingfisher MF?

The pilot light has gone out on my boiler and I have tried to re-ignite it without success. When I switch on ... [Read more]
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