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Mend L Switch Off Boiler

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We have 2149 questions about mending 'l switch off boiler'

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Mend 80 boiler hot

how can i fix my vokera 80 sp boiler?

hi, my boilre working two minutes on hot water and central heating, and cut off, then running again after thr... [Read more]
Mend switch started replaced

Myson Apollo 50B will not switch off?

Problem started when suppressor blew. Replaced suppressor but boiler then over-heated. Instructions pointed ... [Read more]
Mend ideal classic lxff ff

Ideal Classic LXFF & FF FF260?

Can anyone help please. My Ideal Classic LXFF & FF FF260 when I switch to constant the system just goes cold, ... [Read more]
Mend hot tap combi boiler turn

Changing a hot water tap washer with a combi boiler?

Am I right that I need to turn the boiler off. Then turn off the water supply Drain the water from the tap a... [Read more]
Mend baxi changed light

baxi baharma 100?

changed flow switch and boiler now wont light but flame light is on
Mend valliant boiler low

Valliant boiler time switch 120 low preasure?

I have the above boiler that keeps loosing preasure. How can I increase the preasure myself? Where is the ma... [Read more]
Mend potterton prima 50

how can i fix a potterton prima 50?

i have a potterton prima 50.The air pressure switch seem to be full of condensation which means the boiler wil... [Read more]
Mend ideal boiler running

how can i fix my Ideal Icos He18 boiler?

I have power running into my ICOS HE18 but the control panel does not illuminate any error codes at all its ju... [Read more]
Mend pilot light please help

pilot light issue... please help?

Hi, Can You help me please ? The Pilot Light on my Puma 80 keeps going out. If I switch on my Central H... [Read more]
Mend combi heating switch

WORCESTER 24CDI COMBI BOILER?

The pressure on the boiler reads zero, before the heating is on then rises up to 1. Is this OK or should there... [Read more]
Mend sabre he combi

sabre 35 he combi boiler ?

i.v still got a problem with ignition on my combi iv tried cleaning the tubes & venturi i,v tried a new differ... [Read more]
Mend replace air switch boiler

How to replace the air pressure switch on a Potterton Suprima 80L boiler?

The air pressure switch on my boiler is behaving erratically. A couple of times recently the boiler has faile... [Read more]
Mend advice fitting fit

advice on fitting new Air pressure switch & fault finding information?

As an engineer I have to fit a new Air Presssure Switch to the Potterton Netaheat 10/16 electronic I would lik... [Read more]
Mend 35 combi boiler

sabre 35 he combi boiler ?

boiler not igniting i think its the pressure diffrentail switch but i dont know how to check it properly i,v ... [Read more]
Mend issue hot year

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]
Mend fire up vaillant boiler

how do i fire up my vaillant boiler?

my boiler wont fire up.i've turned the main switch off,for a few seconds as instructed and then switch on,but ... [Read more]
Mend runs fine time running

Potterton Profile 50e tripping?

I have a Potterton Profile which runs fine most of the time, installed 1997 running on natural gas. Every n... [Read more]
Mend blowing second problem

Constant blowing fuse!?

My ideal isar boiler, the second you switch it on blows its fuse. How can I fix this problem???
Mend vaillant boiler problem

Vaillant boiler problem?

I dont know the model however when the switch is turned to central heating and hot water it works but when it ... [Read more]
Mend heating hot water switch thing

Boiler clicking?

Central heating light on, hot water light flashing can't switch off the whole thing clicking no heat in rads. ... [Read more]

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