How to mend ... Boiler Running Cold

I have a problem with my hot water via a Potteton Puma 80e boiler?

I recently drained and recharged my boiler / radiators to change a TRV and get alot of air out of my rads. But... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

Ariston boiler microgenus 27 burner heats to max?

My Ariston microgenus 27 MFFI, gets into a mode where it turns on burner until all yellow leds are lit (80') b... [Read more]

Sime Friendly rads getting hot when running hot water?

Hi when i turn on the hot water for a bath etc the rads get very hot ??? to fill a bath takes about half a hou... [Read more]

Worcester 240 Boiler wont run shower, yet heating and taps fine?

Every time we turn the shower our Worcester 240 combi boiler either ignites and then cuts off 20 seconds later... [Read more]

how can I stop my vokera compact boiler from delivering hot and then cold w?

My vokera boiler keeps running hot and then cold and back to hot again. The boiler is only 18 months old and i... [Read more]

worcester combi boiler 28i water running cold?

had a worcester combi 28i for about 4 years and am having some problems, heating seems ok but when run a bath ... [Read more]

hot water problem?

I have a ravenheat CSI 85AT boiler the heating works fine but last week the hot water was only running for a s... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]

A chilling problem, ARISTON A/23 MFFI COMBI?

Whilst running any hot tap,shower etc, the boiler will only run for about one minute then go off with cold wat... [Read more]

loss of pressure & cold radiators at the bottom?

We have a Worcester Greenstar R40HE combi boiler. The pressure is dropping on an almost daily basis though we... [Read more]

How can i fix my optima 901 combi boiler??

I have hot water, but no heating. The pump and fan are both running, but the burner seems to come on and autom... [Read more]

I have a sime super 90 boiler and have no hot water?

I Have very little hot water up stairs. I have a sime super 90 boiler and have had it for 10 years it has work... [Read more]

Baxi Bahama 100 Cutting Out?

I have a Baxi Bahama 100 Combi Unit, and recently it has started cutting out on me. When running the hot water... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

Hot water cutting off on Baxi Boiler when running slow?

I have Baxi Bahama 100 combi boiler. When the hot water taps are run slow hot water comes on sometimes for a f... [Read more]

Potterton Puma 80e pilot light slow to stay on?

Dear All, recently I've found that after running a bath the pilot light goes out and when trying to relight... [Read more]

pilot light issues with 100yr old boiler?

Dont ask how, but my gas main got shut off... I have to relight every pilot light in the house to get the radi... [Read more]

My Excelsior Combi Shuts Down when using Washing Machine?

My Excelsior (White Label Ariston, manufactured by Merloni) Combi Boiler keeps shutting itself down. The onl... [Read more]