How to mend ... Hw Ok Not Ch

How can I fix my Worcester 24i RSF boiler?

Whenever my CH/HW turns on the burner seems to light and then dies down after a second or so. This cycle seems... [Read more]

potterton puma 80 keeps tripping the electricity????

Hi Wonder if anyone can help? My puma 80 boiler keeps tripping the electric for the house when I either... [Read more]

CH de-pressurised by HW?

CH and HW both off. Run a HW tap and pressure is taken from the CH. Any ideas ?

Potterton EP2000 24 hour CH + HW programmer?

I have just purchased a Potterton EP2000 to replace my old one. The controls and sliders are differently loca... [Read more]

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

Noises from the HW cylinder?

When the CH and HW was off last night, there was a continous humming sound from the HW cylinder(tank in airing... [Read more]

Potterton EP2000 programmer?

My Potterton EP2000 emits a clicking sound when BOTH CH and HW switches are ON. The proammer is working fine ... [Read more]

My Potterton EP200 emits a clinking sound?

When I have BOTH CH and HW switched to ON, I get a clicking sound from the programmer. The programmer is work... [Read more]

my potterton ep2000 clicks when ch and hw on?

I can have hot water or central heating but not both - if i put them both on to 24 hrs the unit makes a clicki... [Read more]

My CH only works if I have my HW on as well - help!?

I have a Potterton Netaheat boiler and Potterton Ep2000 controller. If I set the CH to a timer switching or to... [Read more]

my boiler does not change from Ch to HW?

My Baxi bermuda 552 back burner does not change from central heating to hot water how can i fix it as there i... [Read more]

Change Switchmaster Mid Valve to Salus?

I've just had my S/Master changed (duff contacts) for a Salus (MV 322) 3 port but now cannot have combined HW ... [Read more]

Halstead Quattro - Fires up, but no HW?

Hi. I know there are similar posts on here, but not exactly the same. Okay, this is the problem - even with th... [Read more]

Worcester 24i RSF - No CH ?

Symptoms- When CH switched on (manual or timer) lots of clicking noise from pump area / bottom of unit. No ig... [Read more]

micro combi 23 mffi?

my ariston micro combi 23mffi fires up on ch but runs for 2 mins then cuts out keeps doing this rads only luke... [Read more]

Fix stationary fan on Vokera Excell 80sp?

Fan has always been running even when no demand for HW or CH. Boiler fires up ok for both & sounds like the fa... [Read more]

Baxi Genesis 80 - no central heating?

The boiler does not run properly - I get about 10 seconds of flame on CH, then burner goes off. On HW it is ru... [Read more]

How can I select different on-off times for HW and CH?

At the moment I can only programme both to come on and off at the same time. I have a Potterton EP2002

Baxi 105E Patchy hot water?

Our CH works fine, but the HW comes on runs for a few minutes and then cuts off for a few seconds then comes o... [Read more]

Ravenheat 85 cycling on/off?

My ravenheat 85 a works fine when asking for HW however when the CH is demanded the burner will ignite, burn ... [Read more]