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We have 199 questions about mending 'change hot boiler'

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Mend Heating, Home Heating Systems

Ideal HE24 Isar?

i have an ideal he24 isar boiler with the fault l-9 the plummer told me i have to change the heat exchanger ... [Read more]
Mend Heating, Home Heating Systems

Override button heating temperature?

Hi David, You are truly a modern-day hero. I'm just about to investigate the tenant's boiler - with a view... [Read more]
Mend Heating, Home Heating Systems

How to change a halstead Boiler Diverter Valve?

The boiler does not divert hot water. How can I change the Diverter valve?
Mend Bathroom Appliances, Baths and Showers

aqualisa quarts ?

can anyone help me please,do not answer if a guess or your idea because ive tried it,facts please. we had a ne... [Read more]
Mend Heating, Home Heating Systems

no hot water VAILLANT turbomax vuw 242e, 282e?

i have a vaillant boiler and have had no hot water properly for a very long time. my rads work fine. I had a ... [Read more]
Mend Heating, Home Heating Systems

f1 fault on 23 kw jaguar boiler?

boiler fires up on heating and hot water then goes into f1 fault change flame probe and pcb board replaced,fan... [Read more]
Mend Heating, Home Heating Systems

hi my baxie boiler wount switch off ?

baxie eco 80 boiler stayes on when on hot water and heating is in on position told to change p c b still on ro... [Read more]
Mend Heating, Home Heating Systems

Problem with Potterton Promax HE24 Boiler?

The hot water system works ok. I have fitted a thermometer to the outlet from the boiler and this goes up to o... [Read more]
Mend Heating, Home Heating Systems

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]
Mend Heating, Home Heating Systems

Ferroli HE31C - Hot water but no heating?

There is an error code D2 on the boiler and no matter what I try I can't make it go away. I've tried turning i... [Read more]
Mend Heating, Home Heating Systems

Danesmore 12/14 oil fire boiler How do i change diverter valve ?

Rads are getting hot when on hot water only. I have taken front cover off but cant see any water valves!!
Mend Heating, Home Heating Systems

Diverter valve?

hi there, i have vaillant ecotec pro 28 combi boiler, its diverter valve is leaks when we turn the hot water... [Read more]
Mend Heating, Home Heating Systems

vaillant eco tec pro 28 diverter valve leakage?

I just have a deep look in the vaillant eco tec pro 28 after having problem with this that presure is keeps go... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]
Mend Heating, Home Heating Systems

Pott:Profile 100e. Hot Water Temp?

Boiler on Gravity Hot Water/Pumped C/H. Hot Water temp excessive. Changed Themostat, no change, set below No1... [Read more]
Mend Heating, Home Heating Systems

how can i clear the alarm?

hi can someone help me i had to change the batteries in my wireless system thermostst once done i went up stai... [Read more]
Mend Heating, Home Heating Systems

Glow-worm 12kw system boiler not getting hot fires up but luke warm ?

change gas valve and controle unit hot for one day help
Mend Heating, Home Heating Systems

Why wont my rads come on ?

I have plenty of hot water so boiler is working fine,thermostat is receiving signal but rads not coming on ? I... [Read more]
Mend Heating, Home Heating Systems

How do I change the pressure on my combi boiler, and how to turn down the w?

my boiler is an Ideal mini C24...the pressure is very low and the hot water is coming out unbearably hot even ... [Read more]
Mend Heating, Home Heating Systems

how do i change the hot water flow sensor on a heatline solaris 30 boiler ?

how do i change the hot water flow sensor on a heatline 30 pc solaris combi
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