How to mend ... Boiler Hot Water Cold

How can I fix my Valiant combi boiler?

The hot water is fine, but the heating won't work, any suggestions please its getting 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]

How do you test a circulation pump on a Raven Heat Combi boiler?

Ive got a Ravenheat Combi Boiler (one without a pilot light window). A fw weeks ago it just stopped working. W... [Read more]

how to fix my BAXI INSTANT 105E?

system is 4 years old. problem is the heating will not come on, i only get hot water. main boiler pilot light ... [Read more]

Valiant Turbo max?

Hi all, my rads have just been changed, and it seems suddenly my boiler hot water fluctutates hot (8s), cold (... [Read more]

worcester bosch 28cdi DHW problems?

Hi, having had at least a couple of years good use of this boiler,recently the hot water when run for 2 or 3 m... [Read more]

whats wrong with my friendly format sime 80e combi bolier?

hi woke up today boiler not well any ideas what could be wrong? heating works fine,however problem with water ... [Read more]

worcester bosch 28cdi DHW problems?

Hi, having had at least a couple of years good use of this boiler,recently the hot water when run for 2 or 3 m... [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]

potterton combi 80?

hello, my boiler has always had a slow hot w outlet that, once it has been on for a while is scalding hot. I... [Read more]

My Potterton Performa 24 stopped firing (No Hot water - NoHeating)?

I have potterton performa 24 just above 2 years old combi boiler. It was working fine untill started playing u... [Read more]

My Alpha combi boiler has very low water pressure at the DHW hot tap?

My Alpha Ocean 280p Combi Boiler has a very low DHW pressure and flow. I have checked the cold water inlet fil... [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]

ravenheat 24t ls 80t white star?

boiler is a 15 months old the water started going very hot then cold the3n hot then cold at fairly low tempera... [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]

Vaillant 824 hot water issues?

Guys - have some hot water issues - when i turn the shower tap on which is a mixer, hot water comes out then t... [Read more]

glow worm swift 80 - not keeping a constant temperature?

Hi Whenever we have a shower - it does not maintain a constant temperature. We can get boiling hot water -... [Read more]

How can I get my Triton Combi shower to produce enough hot water?

My 'Triton Combi' shower no longer gets hot enough to take a shower. It is fed by a combi boiler which produce... [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]

Radiators/Water cold but boiler is hot?

We've recently had the radiators taken off and put back on during some work which was being undertaken - prior... [Read more]