How to mend ... B Dhw Out

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]

DHW problem on vokera 96e?

hi when running the shower every now and again the shower runs cold for about 30 seconds then back warm ?

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]

how can I fix my Ferroli boiler?

boiler goes on shut down on DHW CH will run continuous can be reset on reset button but will shut down again ... [Read more]

boiler shuts down on dhw?

i HAVE A FEROlli Falcon goes on boiler lock down when on standby but will restart on reset button until end of... [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]

heatline s20/s30 boiler?

I have a flashing light on my boiler for DHW sensor and is affecting the heating so that the boiler does not s... [Read more]

dhw working fine but chw switsh off after 10 second?

i have combi boiler potterton performa28. i have put new dhw pressure differtial valve..dhw is working fine bu... [Read more]

Flexicom 30sx - boiler error?

When there is demand the Glowworm Flexicom 30sx cycles through burner on, then state codes 98 and then 97 befo... [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]

Btu level?

Need to find out the boiler rating (in Btu) for the above - I know the ouput for CH is between 10.5-27.5kW and... [Read more]

ravenheat csi 85at?

Ravenheat CSI 85AT DHW comes on sometimes slightly better when CH on, fan ok, gas valve ok, DHW and CH sensors... [Read more]

dhw problem?

hi guys,i am having a problem with my dhw,i isolated the cold main to remove a bathroom suite when i came to t... [Read more]

baxi 105e instant?

DHW fires up and reaches 70 then cuts out and starts up again.Have changed diaphragms and plate heat exchanger... [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]