How to mend ... Going Ch Dhw

Ravenheat CSI 85 DHW?

I'm having problems with the DHW supply from this boiler. Water doesn't reach more than luke warm temperature.... [Read more]

Alpha 280e?

It is 10 years old there is a lack of hot water, i can only get hot water from it if i have the central heatin... [Read more]

Vaillant ECOmax 824E constantly runs with "06 Boiler shut down"?

i recently had a leak in the 6" rubber pipe in my vaillant boiler. I drained the system and replaced the pipe... [Read more]

potteron profile 100e, hot water, no central heating ?

can anyone shed some light on the matter? we have no problem with the DHW system, but we have no CH at all. Wh... [Read more]

Boiler stays Lit but look warm?

I have a modena 102 combi and have just put in new heat sensors for for the CH and DHW as the flame kept going... [Read more]

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]

why does the DHW work and not the Central Heating Worcester 24i rsf combi ?

the pressure is fine the boiler fires up when you run the hot water but the CH is not working. Have put it on ... [Read more]

Vaillant VCW GB 242EH combi boiler?

CH flame failure due to low water pressure. re- pressurised but wont ignite. pump , fan & DHW working OK

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

Problem with CH only on Ferroli Combi 77 FF boiler?

Hi I have a ferroli combi 77 FF boiler which works fine on DHW and is OK the first time it comes on with CH. H... [Read more]

Potterton Netaheat 10/16 Electronic Boiler?

When switching for ch/dhw boiler tries to fire up but intermittently fails, I can hear like a sloshing, there ... [Read more]

Ideal isar combi stuck in DHW, won't fire?

Hello Does anyone know much about Ideals? Mine is stuck in dhw, it isn't firing (no fan no pump either).... [Read more]

Halstead ace high burner problem?

I have a Halstead ace high combi boiler. I have replaced the diaphrams in the flow switch CH & DHW and removed... [Read more]

ideal classic combi nf 280?

ch overheat stat keeps tripping.water temp gets very hot while showering and then trips, does not matter if se... [Read more]

Ariston Genus loss of pressure?

Boiler is losing pressure & faults out daily. I have recharged the expansion vessel for CH which seems ok. I... [Read more]

Worcester bosch 24i not going ON automatically?

Hello, I want to share how i fixed my boiler - worcester 24i. Issue: the boiler would not go on when... [Read more]

no dhw or ch?

havent got any of the above but boiler is firing and pump is running on my worcester 24si11

worcester 24i rfs combi problem?

i have fault with my 24i combi. when demand on either ch or dhw is on, the boiler fires, lights but keeps on s... [Read more]

Baxi Combi 80Eco no DHW?

Hello, I have recently bought a house with a relitively new central heating system. The boiler is a Baxi Co... [Read more]

Heatline Vizo 24 DHW OK CH Intermittent?

Hi, I have a Heatline Vizo 24 boiler. The hot water is working fine but the central heating is very intermitte... [Read more]