How to mend ... Fault Open Valve

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Vaillant Ecotec Pro with F22 fault?

Vaillant Ecotec Pro with F22 fault - I know this means it needs topping up with water as the pressure is .2 ba... [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]

Cannot repressurise my linea 24 open valve but nothing happens?

I have a Vokera Linea 24 boiler. The pressure drops to 0 then fault 04 displays. I have followed the instructi... [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]

is it repairable?

I have a glow worm swiftflow combi boiler and there is a constant drip coming from the over flow outside. The... [Read more]

ravenheat rsf100et no hot water or heat?

i came to fault find on this boiler, pump runs, fan runs, pressure switch ok boiler lights on pilot light and ... [Read more]

ravenheat rsf100e no heating or hot water?

called to this boiler and found that it will go thro its start up procedure up to the point of pilot ignition ... [Read more]

fault f.22 on vaillant eco plus boiler?

hi, i also have a problem with my vaillant boiler ecoplus,the f.22 code comes up(low pressure fault) when i re... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

Saunier duvall boiler f24e - water pressure drops only when too cold?

For most of the year everything is ok with my boiler (saunier duvall thermaclassic 24e), but when its really r... [Read more]

Sime Super 102 Main burner pulsing fault?

I have a SIME Super 102 combi boiler. When any DHW tap is opened the boiler starts up ok and pilot light comes... [Read more]

Gas valve failing to open on ferroli domicompact f24b?

My boiler has been working fine, used it last night before bed with no problems or noises. Woke this morning ... [Read more]

thelia 23, won't fire up (pilot lit, just won't heat water)?

When I try to turn the heating or hot water on, the fan keeps clicking between fast and slow, approx every sec... [Read more]

how to mend Gas Boiler, Glow-worm Fuel Saver 100F with SIT control?

Thermostat has intermitant fault ie it stays open circuit and does not allow boiler to re-light. Main gas valv... [Read more]

Worcester 24cdi no hot water - is DIY job safe?

Hi after reading some articles on here about no hot water through my worcester 24cdi boiler and reading worces... [Read more]

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]

Potterton Profile 50 control board fault?

This was quite an unusually one for me as my normal work is designing in car multimedia systems! A work fri... [Read more]