How to mend ... Going Ch Dhw

boiler switchs itself of?

baxi 105e replaced dhw & ch temp sensors to rectify fault.....flashing light on fan display. switch of ... [Read more]

RSF 82-ET intermittent heating and hot water?

My ravenheat RSF 82-ET boiler has had intermittent problems providing DHW and CH in the last few days, it is n... [Read more]

ace high dhw?

I have seen other postings talk about the diverter valve which must be in the flow body. I notice that i will ... [Read more]

Glowworm Micron 60ff whining!!?

I have the above boiler which has started to whine at various times, whether the ch and/or dhw is on, and it i... [Read more]

ravenheat csi85(T) 780series?

boiler works fine on dhw setting butwill not work on ch mode,i have tested thesummer/winter switch and is ok.h... [Read more]

Halstead Ace 30 - No DHW - CH on using DHW taps?

4 year old Halstead Ace 30. When turning the hot water taps on, 'H' shows on the display, swiftly followed by... [Read more]

hot water to ch when dhw turned on?

my Ravenheat RSF 100E combi is heating the radiators when the domestic hot water is turned on, is there a prob... [Read more]

Boiler set for DHW only,but CH also comes on Ferroli optima 1001?

The boiler is set for DHW only, recently even when hot water is not on demand , boiler switches itself on for ... [Read more]

isar he30 boiler?

hi can anyone give me advice on my problem with this boiler .when drawing off dhw or running ch the boiler wil... [Read more]

potterton prima f not firing up on CH?

My boiler will only fire up when on DHW and flatly refuses to fire up on CH. Any suggestions?

alpha cb24/28?

Hi, Have the same problem as MEL JOHN (APRIL 2011). CH ok and DHW but when DHW ON ONLY-NO HOT WATER. I read o... [Read more]

hot water problem?

i buy revenheat boiler just 5month befor model he 120(t) low nox silver when boiler on after 5 min he show on... [Read more]

ferolli falcon startup prob?

hi got a ferolli falcon 25kw combi power light and heating light on when no demand and does'nt fire up when de... [Read more]

105he instant?

CH wont fire longer than 6 secs then cuts out. Just changed diverter valve and expansion vessel. Boiler 6 year... [Read more]

How can i fix my Potterton Puma 80, DHW won't work unless CH. is on?

My Potterton Puma 80, (permanent pilot), will not supply DHW. unless the Central Heating is also turned on.

ideal isarhe24 dhw works ch doesnt ?

i turn boiler off at night &back on a.m thermo set to manual. pressure between 2&3

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]

my ferroli modena 102 boiler lights only for a few swconds then cuts out?

Hiya, can anyone help, I have a ferroli modena 102 boiler, it has stopped running both the DHW and CH, it'll s... [Read more]

intermittent hot water ?

I have wall mountd worcster 30cdi - 3 yrs old .CH is working fine. the hot water supply pipe runs between dwn ... [Read more]

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]