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Mend Heating, Home Heating Systems

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one

Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]

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Mend F4

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We have 71 questions about mending 'f4' in category Heating, Home Heating Systems

How to mend F4

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Mend boiler f4 fault

how can i fix?

hi our bg330+ boiler has come up with an f4 fault .any ideas

Mend f4 fault code

Have Visemann Vitodens 100 F4 Fault Code?

What is the voltage on the ignition electrode?

Mend heating boiler faults

MagnaFlow causing F1 & F4 ignition faults or coincidence?

I have a Glow Work Flexicom 35 cx and it's worked brilliantly since it was installed in 2009. Last week I had... [Read more]

Mend boiler heating plumber

ideal isar he24 leaking?

hi we have a isar he24 combi boiler which has a leak coming from the left side of the inside of the boiler ,i... [Read more]

Mend manual engineers codes

saunier duval?

keep getting f1/f4/13 whats it mean got no manual had to engineers round still same ,can you tell me whay it m... [Read more]

Mend boiler pressure low

18sxi F1 F4 fault?

Hi, My boiler has been shutting down as the pressure will rise well above 1bar or go to low. This then shows ... [Read more]

Mend code boiler showing

glow worm flexicom hx f4 fault code?

boiler wont fire up and is showing f4 code even after pressing reset button. Is there anything i can do to fix... [Read more]

Mend boiler heating electrode

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting?

I have a Glow-worm Flexicom hx boiler 2 yrs old. It is not igniting and i get 2 codes showing in the display F... [Read more]

Mend problem cutting key

Glowworm Flexicom F1 F4 faults?

Having a problem with boiler cutting out. NOT a condensate problem. Key bit of information is that it will run... [Read more]

Mend boiler heating fault

glowworm sxi30 - F4 fault?

the boiler shuts down often with F4 fault. its simple to power down and then back up to restore operation. but... [Read more]

Mend glow worm boiler

glow worm boiler?

I have a glow worm boiler 18hxi and all though it comes on and starts to heat the water after a short time a f... [Read more]

Mend Heating, Home Heating Systems

What is the F4 fault on Glowworm Flexicom 18HX ?

Our Glowworm Flexicom 18 HX gas boiler is not working-F4 is dissplayed, have tried to reset it, but but still ... [Read more]

Mend boiler f4 display

heatline viso 24 boiler?

the boiler fires up for a few seconds and goes of then it displays F4 on the lead display

Mend boiler heating systems

how can I fix my boiler it has a F4 code?

Boiler lights up but shuts down within a couple of seconds showing F4 please help

Mend f4 combi boiler

F1 and F4 error on Glow worm 30ci combi boiler?

My glow worm 30 ci combi has been regularly shutting down overnight and showing F1 in the LCD display. I can g... [Read more]

Mend boiler fault ionisation

how can i ix this problem?

i have fault f4 iniosation showing on heatline 30 sargon boiler anyone kno how to fix this as cant get anyone ... [Read more]

Mend heating boiler glowworm

glow worm 30cxi?

i have a glowworm 30cxi boiler installed in my house ...i had a plummer out yesterday and he said the system w... [Read more]

Mend boiler turn f1

I have a glow wrom 330 boiler?

I keep getting faults first F4, so I turn it off and start it again and then get F1, I turn it off press the r... [Read more]

Mend glow-worm heating fault code

whats does fault code mean on a glow worm flexicom 18hx ?

whats does fault code f1, f4 and f22 mean on a glow worm flexicom 18hx.

Mend ignition condensate heating

how can i fix my heat line vizo plus 24?

its showing f4 as a fault the condensate pipes fine n no blockage...its somthing to do with the ignition as it... [Read more]

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Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

Mend remove cover front

Remove boiler cover?

Mend heating radiators boiler

Worcester boiler dripping water?

Mend thermostat siemens rdj10rf receiver

Siemens RDJ10RF thermostat problem?

Mend Heating, Home Heating Systems

How to fix my fireplace?

Mend Heating, Home Heating Systems

Remove cover off gas boiler?

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Vaillant ecotec 831 plus?

Mend boiler thermostat replacement

Oil fired boiler thermostat?

Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?

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