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Mend Serious Boiler Heating Red

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We have 594 questions about mending 'serious boiler heating red'

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Mend Heating, Home Heating Systems

How do I regulate the pressure on my Potterton Puma 80?

I've just replaced the fan assembly and auto release air valve and pressure relief valve on my boiler and cann... [Read more]
Mend Heating, Home Heating Systems

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [Read more]
Mend Heating, Home Heating Systems

NO HEATING AND NO HOT WATER?

I HAVE A POTTERTON PUMA 100E. MY PROBLEM IS I HAVE NO HEATING OR HOT WATER I HAVE FOLLOWED THE HEATER DIAGRA... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e c/htg cuts out of its own accord?

No problem on hot water. C/htg does not cut in if temp lights display a high temp. To get the boiler running... [Read more]
Mend Heating, Home Heating Systems

How can I fix a Potterton boiler with low pressure?

how do you adjust the pressure as its very low and in the red i.e. under half a bar. Boiler is lighting but ce... [Read more]
Mend Heating, Home Heating Systems

vokera option boiler, no water pressure help !?

I have lost water pressure in my vokera option boiler, i am unsure how to add water pressure. I have no hot wa... [Read more]
Mend Heating, Home Heating Systems

Sime Friendly - Fluctuating Pressure Guage?

Hi, Apologies in advance for my lack of technical terminology, I'm no plumber. I've got an 'issue' wit... [Read more]
Mend Heating, Home Heating Systems

Potterton combi 80 lockout light?

the red lockout light keeps coming on on my combi 80,Both when using the hot water and the central heating.I ... [Read more]
Mend Heating, Home Heating Systems

potterton 50e Boilier will no fire up central heating is only selected?

Hi all, Can anybody suggest what need replacing to fix the following problem Potterton 50e boiler. when t... [Read more]
Mend Heating, Home Heating Systems

i have a worcester 24cdi combi boiler?

i have a worcester 24 cdi and i . am getting ingnition lockout on the front panel. the red light is flashing... [Read more]
Mend Heating, Home Heating Systems

my 28cdi worcester boiler was working this morning?

my 28cdi worcester boiler was working this morning and has now stopped heating water and the rads are not heat... [Read more]
Mend Heating, Home Heating Systems

Fault in Boiler Potterton Puma80?

When I turn the heating on the pressure gauge goes up in the red mark area. And the boiler water goes out by t... [Read more]
Mend Heating, Home Heating Systems

Vokera combi boiler, no hot water, only heating?

I have a Vokera maxin 24cf combi boiler that is about 5 years old. I am not getting any hot water when the hot... [Read more]
Mend Heating, Home Heating Systems

Baxi Bahama 100 CH not working?

We have so far spent nearly £1000 over the last 2 years on our Baxi Bahama 100 boiler, the latest problem is ... [Read more]
Mend Heating, Home Heating Systems

My boiler keeps reading re set?

My heating and water are set to come on at certain times. Both of the lights show red (for heating and water)... [Read more]
Mend Heating, Home Heating Systems

sime combi boiler stopped workng?

overnight my sime combi boiler has stopped working ..thermastat showing error 69 the only change on boiler it... [Read more]
Mend Heating, Home Heating Systems

How can I repressurise my Vokera Combi Boiler?

I have a Vokera excell 80sp combi boiler and the water pressure gauge has dropped into the red. Because of thi... [Read more]
Mend Heating, Home Heating Systems

How can I repressurise my Volkera combi boiler?

I have a Vokera excell 80sp combi boiler and the water pressure gauge has dropped into the red. Because of thi... [Read more]
Mend Heating, Home Heating Systems

how can i fix my potterton suprima?

heating & hot water not working. boiler comes on for 5 mins - radiators get slightly warm then go off. Red l... [Read more]
Mend Heating, Home Heating Systems

How do I reduce the pressure on my Valiant Turbomax boiler?

My valiant tubomax 823 boiler is showing a pressure of 3 bar (in the red). I found a knob to turn which releas... [Read more]
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