How to mend ... Water Dhw Boiler

Ferroli Modena 102 Temperature Problems?

I have problems when trying to adjust the temperature of both the DHW and the CH. Both are very high and do no... [Read more]

vaillant combi?

dhw is ok ch fires up for few seconds then goes off and continues this cycle on ch. only water in boiler is ge... [Read more]

The hot water on my Alpha Ocean 240e is only just tepid!!?

I have an Alpha Ocean 240e, It's keeping the radiators nice and warm but the DHW only gets hot if you run the ... [Read more]

Fluctuating dhw heat Ferroli Modena 102?

When running the bath tap the dhw heat fluctuates from warmish to cold, the demand light remains lit and the b... [Read more]

No hot water with Biasi 28 combi boiler?

Can anyone help. I have a Biasi boiler which had a knocking noise when it first started from cold. I added a ... [Read more]

My Vokera 36he fine at heating but hot water cold?

Exellent for heating but when asked for DHW (domestic hot water) it cut the boiler out displaying fault 79 (te... [Read more]

Vaillant Turbomax VUW242E No hot water?

I have a Vaillant Turbomax VUW242E boiler,Heating is ok but not getting any hot water. I have replaced the DH... [Read more]

Sime super 90 combi boiler, low water pressure from dhw taps?

I have just replaced the diaphram in the Diverter valve, but still have very low pressure and no running water... [Read more]

What's wrong with my Worcester 28CDi RSF Boiler?

My boiler is approx. 6 years old and covered by BG Homecare, BUT....... after fitting a thermistor sensor, a m... [Read more]

Britony Combi 80 DHW Tepid?

My Britony Combi 80 won't heat the domestic hot water to the correct temp. Tepid only. The boiler kicks in ok ... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

Vaillant Turbomax Plus 824E?

Hi there, have the above boiler and over the past few months the hot water has been reduced so that now there... [Read more]

Glow Worm Ultimate 50FF making "popping" noises?

During heating my 50FF boiler is making popping noises almost as if the water is boiling inside. It is not hap... [Read more]

water pressure always on move?

Hi it's a vokera 80-20 flowmatic. good old girl not without her problems. can someone advise me as to why th... [Read more]

Vaillant Turbo Max VUW 242 E, DHW not opereating?

Vaillant turbo max 242/282 E. Domestic hot water on demand wont operate from kitchen only, will work from bath... [Read more]

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

Vokera Sabre 24 - No hot water?

Boiler is not firing up when the hot taps are opened. When boiler is switched on manually I get hardly any flo... [Read more]

Ravenheat LS 100T no DHW?

First off I have had this boiler for 2 yrs now and never had a problem before, the other day all of a sudden I... [Read more]

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]