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We have 539 questions about mending 'pressure boiler central'

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Losing pressure on boiler?

We have to keep filling the boiler via the filling loop every couple of weeks, we can not find any leaks on ce... [Read more]
Mend Heating, Home Heating Systems

How to fix my old 350 Worcester combo boiler?

Hi my boiler keeps locking out with the central heating on. It seems fine when it's heating hot water. I notic... [Read more]
Mend Heating, Home Heating Systems

What does the error code "L.E."mean on an isar HE24 combi boiler?

Some times when the boiler is running on central heating,the cut out opperates and L.E.flashes.Nothing works u... [Read more]
Mend Heating, Home Heating Systems

Worcester 28cdi boiler?

I have drained my central heating system to replace a radiator with a heated towel rail. I am trying to re-fi... [Read more]
Mend Heating, Home Heating Systems

baxi 80 he combi boiler hot water fualt?

hi. my boiler hot water only works partially. the central heating is fine. i have partially traced the problem... [Read more]
Mend Heating, Home Heating Systems

Topping up combi boiler?

I have changed a radiator on my Vaillant combi boiler operated central heating system. How do I bring the pres... [Read more]
Mend Heating, Home Heating Systems

faillure to ignite?

My Vaillant VCW GB 242 E Combi Compact Wall Mounted Boiler is failing to ignite when the central heating is sw... [Read more]
Mend D.I.Y, Plumbing

no hot water and pressure valve is on red and water is leakiing outside?

I have installed a baxi combi 105e; serial MBKo451 compno 2478726/00. My combi boiler is playing up. For mo... [Read more]
Mend D.I.Y, Plumbing

Ravenheat HE85T - no central heating, water working fine though?

Hi, I'm hoping someone can help? We have a Raveheat HE85T combi boiler, approx 3 - 4 years old. Recently, ... [Read more]
Mend Heating, Home Heating Systems

central heating problem?

how do you alter the water pressure on my ferroli optimax he plus 31 c boiler
Mend Heating, Home Heating Systems

central heating problem?

how do you alter the water pressure on a ferroli optimax he plus 31 c condensing combination boiler
Mend Heating, Home Heating Systems

baxi 105e combi boiler?

boiler wont modulate when central heating is on causing pressure to exceed 2.5bar, is it the electric safety s... [Read more]
Mend Heating, Home Heating Systems

fertech 31c boilder?

no hot water after installation of this boiler alongside a brand new central heating system? Error code F40 (... [Read more]
Mend D.I.Y, Toilets

Low to Hi Pressure?

Hope some one out there can help. I have just had my central heating boiler replaced with a combi,this runs of... [Read more]
Mend Heating, Home Heating Systems

Baxi boiler over pressure problem?

I've got a baxi duo-tec he33. It's only 30 months old and has developed a problem of going over pressure. If ... [Read more]
Mend Heating, Home Heating Systems

Loses pressure!?

When i switch my central heating off,my combi boiler(ferroli modena 102) loses pressure till its too low to op... [Read more]
Mend Heating, Home Heating Systems

How do I stop my boiler's light from constantly flashing when I have used h?

How do I fix the low pressure on my boiler? The warning light keeps flashing and I have to put the central h... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 hot water / central heating issue?

I wonder if any of you can help please? For some months now, whenever I run hot water, the central heating com... [Read more]
Mend Heating, Home Heating Systems

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]
Mend Heating, Home Heating Systems

Greenstar 30cdi boiler light?

I have a problem developed with my boiler - I am getting hot water, just no central heating. Only light that i... [Read more]

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