How to mend ... Hot Mode Central

red light constantly on vokera combi boiler?

The red light on my vokera compact HE combi boiler is constantly on. As per the manual it could be due to syst... [Read more]

worcester cd35i ii pressure problem?

i have a problem with my combi worcester cd35i ii the pressure of the unit is at just over 1 bar and when you ... [Read more]

no hot water from my ferroli optima 701?

i cant get the boiler to fire up in hot water mode and the water only comes out in a trickle. i have to turn b... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

how can i fix my boiler?

halstead ace high hot water is intermitent i clean the heat exchanger and all is well but why does it heep hap... [Read more]

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

No hot water on my Baxi Combi instant HE?

I cannot get any hot water on my Baxi 80, but the central heating mode works. I can get warm water if I put th... [Read more]

how can i fix my warmflow combi 90 HE?

The boiler is overheating in hot water mode it measures 72'c in the heat pocket but at the top of the boiler i... [Read more]

Vokera Linea 28 combi boiler DHW problem?

My central heating works fine on the boiler, but the domestic hot water (DHW) does not, barely gets above 30 c... [Read more]

Isar HE30 problems?

We have the Ideal DH30 Isar combi heater. I am having a problem with it recognising the thermostat for the c... [Read more]

Ferrolli boiler heating not coming on?

Hot water works fine but when the central heating trys to come on the system starts and then goes in to standb... [Read more]

how can i fix my Baxi 80eco boiler?

I have no hot water the system runs for 30seconds and then cuts out, it then re-ignites 10 seconds later and k... [Read more]

Worcester 19/24CBI Problems (Over Heating, Fail to ingite)?

Hoping that someone can shed a little light on my problem or that this may help someone in a similar position.... [Read more]

Ravenheat CSI85T condenser boiler?

Sounds like my boiler is not the only one with a fault. Everthing working in hot water mode but when the centr... [Read more]

how can i fix my combi boiler?

my boiler is working fine apart from it keeps running till it has exceeded the set temperature.it then kicks i... [Read more]

ferolli modena combi boiler?

The hot water works fine but the central heating wont come on in either clock mode or auto mode. Changed the h... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

how can i fix my valiant combi boiler?

Just had servo value changed and still not getting central heating to come on, when in constant mode and hot w... [Read more]

Ideal Isar HE24 central heating is not kicking in?

The hot water is fine but when I press the mode setting to 'on' for central heating, nothing happens? Please h... [Read more]