How to mend ... Change Hello Boiler

vaillant eco tec pro 28 diverter valve leakage?

I just have a deep look in the vaillant eco tec pro 28 after having problem with this that presure is keeps go... [Read more]

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]

Potterton EP4001?

I have a EP4001 attached to my central heating and even though there is power to the unit, it won't fire up th... [Read more]

pcb for ideal classic ff250?

i need to change the pcb on a ideal classic ff250 unfortunately, the boiler instuctions have gone missing.the ... [Read more]

Thorn olympic 20/35b timmer?

Can anyone tell me how to change the " Timmer " control on my boiler :- Thorn olympic 20/35B. I have the new... [Read more]

How do you change a flow sensor on a ferroli Optimax HE plus 31C Boiler?

We have a Ferroli Optimax He Plus 31C boiler and it keep Flashing a F14 fault which according to the manual is... [Read more]

Pott:Profile 100e. Hot Water Temp?

Boiler on Gravity Hot Water/Pumped C/H. Hot Water temp excessive. Changed Themostat, no change, set below No1... [Read more]

how can i clear the alarm?

hi can someone help me i had to change the batteries in my wireless system thermostst once done i went up stai... [Read more]

How can i fix my Ideal isar HE24 combi boiler?

Is it possible to change the screw heads on the refilling loop to knobs or taps. The boiler is low to the floo... [Read more]

Glow-worm 12kw system boiler not getting hot fires up but luke warm ?

change gas valve and controle unit hot for one day help

how to change a eco pressure sensor vaillant boiler?

method by which I can change the eco pressure sensor on vaillant boiler

Vaillant ecotec 418 needs a new heat exchanger?

How hard is this to change, the boiler is open vented, heat only. I am "Gas Safe" registered.

minor 1 burner locks out?

5 year old minor 1 oil burner locks out after 5mins of combustion.Engineer purged oil line,adjusted pressure c... [Read more]

change expansion vessel?

Is the changing of the expansion vessel reasonably easy?I have a remote one fitted which works well but looks ... [Read more]

Myson Marathon 80c?

Job done properly no complaints on that just the price for a days work and allowing £100 materials wear and... [Read more]

boiler repair?

how to get air pressure out to change auto vent

How do I change the water pressure on my Ferroli F 24 B boiler?

The pressure on my Ferroli boiler is slowly going down. How do I take it back up?

Why wont my rads come on ?

I have plenty of hot water so boiler is working fine,thermostat is receiving signal but rads not coming on ? I... [Read more]

vokera linear 24 boiler?

How can I change a diverter valve on the above boiler?

Digital to Analogue?

Can I change the Danfoss FP715Si on my gas boiler to an analogue flash timer.