How to mend ... Water Running Hot Cold

Radiator problems?

Hi all, i have a valliant combi boiler no mod number the central heating system running my radiators, the wat... [Read more]

Alpha CB24 Boiler Fault?

Hi, My Alpha boiler CB24, switches off after running for a few minutes. The B light flashes every second. If y... [Read more]

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]

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]

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]

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]

Worcester 28CDi Intermittant hot water?

When running hot tap hot water keeps going cold for a few seconds then comes back on. Watching the lights on f... [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]

Glow-worm Swiftflow 100 Manual?

Hi - I have a Glow-worm swiftflow 100 but no manual can anyone help me - I have a problem with the water not h... [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 80 - hot water ok, but no C/H, bypass Temperature Sensor?

My Potterton Puma 80 C/H has decided to stop working. It started up first thing this morning, then after 30... [Read more]