Mend Home Heating Systems

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Mend Fault Open Valve

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We have 18 questions about mending 'fault open valve' in category Heating, Home Heating Systems which have been answered

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]

Worcester Bosch 532/i Combi Boiler?

Remove boiler cover?

Siemens RDJ10RF thermostat problem?

Vaillant F22 fault?

Worcester boiler dripping water?

Fan tries to run every 15 seconds then stops immediately?

Vaillant ecotec 831 plus?

Boiler cycle?

How do I work my Storad storage heater?

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