How to mend ... Water Dhw Boiler

How can I fix my Ferroli F30 combination boiler?

The water temperature keeps going hot and cold on all taps throughout the home. We have replaced the CH and D... [Read more]

how can iget the water hot on a jaguar boiler 24ktvj15?

jaguar 24ktvj15 the dhw does not get hot when i turn the tap on and the boiler does not ignite

Biasi boiler M90f.28s, thatwon't fire up!?

my combi boiler will give me dhw okish but the water temp knob and therefore the volume of gas to the jets r... [Read more]

unburnt gas in flue gases, glow-worm 100e electronic combi?

Boiler fires ok on DHW and CH, plenty of hot water and no unburnt gas in flue gases on DHW, but in CH mode boi... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

trouble with a protherm 80e?

help need when turning on hot water boiler dus not fire up but wot dus come up is on the self diagnostic digit... [Read more]

How can I fix my Vokera 24/96 Flowmatic combi?

The system losses water pressure intermittantly (according to the gauge on the boiler) although it seems to be... [Read more]

Ravenheat combi boiler LS80T (Little Star) 3 way valve emergency valve?

I was replacing the low water pressure switch on my ravenheat combi boiler and found it clogged with that magn... [Read more]

Baxi 105e - Radiators heat up when dhw flowing?

When hot water (dhw) is flowing then the central heating system heats up as well. The Boiler is set to dhw on... [Read more]

i can get hot water but no c.h. baxi condencing boiler?

i can get dhw but the boiler will not fire up when i switch to c/h

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]

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]

ravenheat rsf820/2t?

boiler wont fire when asking for hot water.in summer/winter mode or just summer mode.can only get hot water if... [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]

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]

DHW problem Vaillant Turbomax Plus 828E?

If I open the cold water supply valve to the boiler fully, when drawing hot water the temp. rises to approx 83... [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]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]

DHW pressure dropping after tap turned on?

Boiler: Baxi Genesis 80. About 15-45 seconds after the hot tap is turned on the flow will slow to a trickle a... [Read more]