How to mend ... Hot Water Works Fine Ch T

Why is the LCD screen on my Optima 701 blank? (And how do I fix it?)?

Since I moved into this flat, the screen on the CH boiler has been blank, like there's no power getting to it.... [Read more]

Boiler cuts out when CH set to on?

I have a potterton system with a 2002 timing controler and a PT2 remote electronic thermostat. If the system i... [Read more]

Halstead Ace High boiler central heating cuts out before thermostat tempera?

Hi, my Halstead Ace High boiler central heating cuts out before thermostat temperature. Hot water works fine a... [Read more]

Vokera Linea28 CH fine HW cuts out after ignition?

The CH works fine, but the Domestic Hot Water initially fires up when called for but then cuts out, fires up a... [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]

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

No heating, but Hot Water works fine Vaillant VuW 242 failure: F.28 ?

In my case F.28 comes ONLY if heating needs to start. If I open the hot water tap during CH ignition attempt,... [Read more]

Potterton Performa 28 intermittent hot water ?

Hot water cuts out but CH works fine. Sower makes funny noise just before water going cold then again when th... [Read more]

no hot water vailant boiler?

the CH side works fine but we get little or no hot water whether the CH is on or not, when the hot tap is turn... [Read more]

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]

Ravenheat CSI 85AT fires up and goes of every 20 seconds?

I have a Ravenheat CSI 85at that is just over 3 years old. This is the one that does NOT have the honeywell ga... [Read more]

what is wrong c/h fine hot water not working properly?

potterton performa 24 eco boiler loss of pressure ch works fine h/w is very little then just luke warm soon ... [Read more]

Potterton Puma 100 - slow hot water supply?

Have a Potterton Puma 100. central heating works fine but when drawing hot water it remains cold/cool until ra... [Read more]

Potterton Puma 80, Cold radiators?

Hi everyone. I have had no end of problems with my Boiler, but i have fixed all of them myself. But this on... [Read more]

hi , i have a glow worm 40ff micron problem?

my problem is with the CH . it wont fire up when turned on . the is no sound of gas or of the fan starting up ... [Read more]

Baxi Hot Water not firing up?

Hi All, I have a Baxi Combi 80e. CH works fine, but the HW won't fire up unless the CH is on. I've read throu... [Read more]

R30 HE boiler loosing pressure?

My R30 drops in pressure from about 2 Bar to zero in a few days and consiquently no hot water after topping u... [Read more]

britony combi 80 no central heating???

i have a britony combi boiler 80, the hot water works fine when called for but when asked for heat for the CH ... [Read more]

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]

How can I fix my Europa 24/28 combi boiler?

The boiler works fine when on hot water alone, when you switch it to CH the boiler strikes up ok but the pres... [Read more]