How to mend ... Boiler Ch Dhw

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

Ravensheat 820 Boiler won't fire up?

My boiler will ignite the pilot light but won't go to full heat, for CH or DHW, any idea's would be great

halstead finest gold no dhw?

when i turn hot tap on boiler will not fire up. if turn ch on dhw works ok. help!

Why is the CH on my Modena 102 boiler not working?

The CH is not coming on at the boiler, the DHW works fine. Turned it on for the first time in months via the t... [Read more]

PROTHERM 80E - Boiler cuts out ???

Boiler will run DHW / CH and for no apparent reason cut out, particularly annoying half way through a shower. ... [Read more]

Sime Friendly Format 80e, replaced diverter valve but rads. still get hot?

Boiler: Sime Friendly Format 80e Problem: Radiators get hot when DHW is run. I had assumed this was the di... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

BAXI 105E ISSUES ON FIRING UP DHW / CH?

My boiler is problematic - takes sometimes 30mins resetting and resetting because of fame failure light flashi... [Read more]

Why Intermittent hot water on the Vokera Compact 24?

In DHW/CH mode the heating works fine (all singing all dancing). Turn on the hot water tap and the boiler gas ... [Read more]

Ferroli Modena 80e will not light?

Hello I have read your forum for a while because I have a 10 year old Modena that is good but never trouble fr... [Read more]

Jaguar 28 Boiler?

I have a problem with the central heating on my boiler - Jaguar 28. The hot water runs fine but nothing happen... [Read more]

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]

baxi 80 eco boiler cant stop ch coming on?

HI I CANT STOP MY BAXI 80ECO BOILER FROM ACTIVATING THE CH , EVEN IF I ONLY HAVE DHW SELECTED. COULD THE SELE... [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]

Faulty baxi 105e combi boiler?

No problem with either DHW or CH starting but it gets to desired temp then flame goes out and the temp leds so... [Read more]

Alpha 240 eco boiler doesn't getting hot enough?

My Alpha 240 eco doesn’t getting hot enough. When DHW or CH are on the boiler lights up and stays on for abo... [Read more]

How can I fix my Halstead Ace High combi?

I have adequate CH but the DHW is not hot enough. (Luke warm is an exageration!) The lower heat exchanger ha... [Read more]

Potterton Puma 80e - low pressure switch - boiler not firing?

I have just changed a low preesure switch on a Potterton Puma 80e. When I recconnect the two cables the boiler... [Read more]

potterton combi 80 pump stops when hot?

my boiler runs ok for DHW had new divertor valve last year and flushed. CH starts runs for 20 mins, rads get h... [Read more]

How can I fix my Ferroli Modena 102 Combi?

The boiler fires on both CH and DHW FOR 10 to 15 seconds and switches off, it keeps doing this. It seems worse... [Read more]