How to mend ... Fault Coming Going

Connections on Ferroli F24 Gas Valve?

Anyone know the connections and expected voltages on the gas valve VK4105G fitted on a Ferroli boiler. Mine is... [Read more]

home heating systems?

I have an 12 yr old Highflow Electronic system, which is working perfectly for hot water. However the heating ... [Read more]

When timer operating water heating the central heating is coming on aswell?

When my timer is operating the water heating the central heating is also switching on when not selected and by... [Read more]

I have a Saunier Duval Isotwin condens F 35 E with hot water No heating?

the fault on the board says F 14 which is clear on the manual but I have no idea what F 24 means. My setting i... [Read more]

Vaillant Ecotech Plus 831 F22 fault?

I've been having problems for 3 weeks now, and on the 3rd plumber, and still not fixed. First had F75 fault a... [Read more]

flexicom 30cx heating not coming on?

central heating not working,hot water is fine.no fault signs showing.

microgenus he 28 mffi e34 fault?

Just recently happened, affects both central heating and hot water. Have replaced the Air Pressure Switch, but... [Read more]

how to fix boiler?

ideal isar he35 combi boiler... fault code h3 no heating or hot water.. burner light coming on

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

Morco Feb 24E CH problem?

Hi My boiler CH heats up to a point then cuts out, possibly coming back on an hour or so later. It will come ... [Read more]

Flexicom 15x running water sound?

Just had a new pump after a repeated F22 fault. It now starts up, runs up to around 44 degrees then, the temp... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

what is the most likely fault with a worcester bosch greenstar combi 28i?

The system was drained to fit new rads and after refilling it will not start up. Bosch greenstar 28i The blue... [Read more]

Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]

Boiler not heating up?

The gas supply (prepay meter) went off in the night and was put back on in the morning. The boiler is on and ... [Read more]

Ariston microgenus 24HE?

AO1 Fault on boiler, replaced pcb boiler working fine, phone call following day to say E34 fault code coming u... [Read more]

is there a reset button on my vokera linea boiler?

my vokera linea boiler is about 10years old and has cutout with no red or green light coming on. it did not tr... [Read more]

Potterton E1 33 fault?

i have a Potterton Promax Combi He plus. The E1 33 fault keeps showing. We have had the ignitor changed, Calor... [Read more]