How to mend ... Dhw Not Getting Hot

glowworm betacom 30 problem?

Hello folks, boiler is 2 years old, had plate heat exchanger cleaned/changed/cleaned...dhw sensor replace... [Read more]

problems with hot water on heatline viso 24?

i have hot water but it keeps getting cold and then hot and keeps fluctuating. I have cleaned the dhw exchange... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]

Powermax 155 mixer valve design?

I have a Powermax 155 boiler. It has a mixer valve supplying DHW. Mine allows hot water to descend into the co... [Read more]

vokera combi hot water issue?

Hi My hot water tap has to be on full flow in order to trigger the boiler to fire up. Can it be adjusted to f... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

halsted boiler problem?

i have a halsted ace he 30 combi boiler. when i turn on the hot water,the rads warm up,although i have only s... [Read more]

SIME friendly 80c combi- DHW- in shower - hot for 3 mins cold for 10 secs?

My SIME 80c combi- the shower goes for 3 mins hot then goes cold for aprox 10 secs this pattern continues ... ... [Read more]

Valliant turbomax VUW282/1 e - Hot water problems?

Where to start - When we turn on the hot tap we don't get hot water unless we turn it on full. It runs for ... [Read more]

ravenheat ?

2003 LS100 CH working ok! ask for DHW the pipe from the 3 way valve up to the heat exchanger gets very hot wit... [Read more]

radiator problem with powermax he?

The radiators get hot when the ch. is turned on or off with the roomstat set low but the dhw. is turned on. W... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

is there a gasket seal,between flanges of diverter valve?

hi,i have a euro coMBI a23 mffi. 1.have problem with hot water,have changed dhw switch pin,still same.obtaine... [Read more]

boiler keeps anticycling?

I have a Halstead Ace High combination boiler,the boiler keeps shutting on/off either in ch mode or dhw mode ... [Read more]

Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]

halstead ace high boiler problem?

after my son has spent 20mins or so in the shower,shortly after there is a hissing sound, and hot water comes ... [Read more]

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]

100e ch not working dhw ok?

ravenheat 100e has hot water no ch has water pressure & stat clicks has had varius new parts in past help pls

domestic hot water?

my DHW is not heating up unless CH is in operation the model of combi is Jaguar 23