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Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter
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Mend Combi Valve Fault

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We have 63 questions about mending 'combi valve fault'

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Mend combi boiler central heating boiler fault
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Worcester 350 combi pressure rising to 3 bar?

Central heating pressure rises to 3 bar (initial pressure = 1 bar) and pressure valve operates. Once cooled, p... [Read more]
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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]
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I can not get C/Heating on VCW GB 242 EH Vaillant Combi Boiler ?

I have just renewed the Divertor valve on my combi I have hot water while switch is in Summer mode, but when I... [Read more]
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MY COMBI DOES NOT WANT TO FIRE UP!!!!!!! HELP?

I have a potterton gold 24he combi The boiler keeps displaying e133 (gas fault) and it takes about 20 attempt... [Read more]
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Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]
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baxi combi instant 105 HE?

the boiler doesn't light on DHW unless I put both kitchen and bathroom taps on at the same time. Would it be a... [Read more]
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pressure variations on thermaclassic f30e combi?

i put pressure to 1.5 bar , turn on the heater , the pressure rises to 2. 5 bar and the safety valve lets by ... [Read more]
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Worcester 28i RSF Combi Boiler losing water pressure?

The boiler will not hold its water pressure and is venting water through the pressure relief valve to outside,... [Read more]
Mend combi boiler pressure PCB
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What can the fault be with constant running on lynx 2 combi boiler?

I have a Potterton Lynx 2 combi boiler that has had its fair share of problems over the years.It now fires con... [Read more]
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Poor hot water flow rate on my Vokera Linea Plus combi boiler?

Hi I would be grateful if anyone could advise what might be wrong with my Vokera Linea Plus Combi boiler. T... [Read more]
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Sabre 24 Combi boiler problem?

With the filling loop removed on my 18 month old SABRE 24 combi the pressure gauge on the heating circuit cont... [Read more]
Mend boiler combi heating
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Baxi Combi 105 HE condenser boiler pump question?

Can any one point me in the right direction with regards to the pump operation after the CH shuts down after b... [Read more]
Mend combi boiler heating fault pressure
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Baxi Combi 105e heating fault?

My Baxi 105e combi is showing 3 bar when the heating is running, causing it to lose water through the blow off... [Read more]
Mend combi boiler fault saunier duval
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What has stopped my combi boiler working suddenly?

My Saunier Duval combi boiler (sorry no model no.) has suddenly stopped working. Before, a green light would ... [Read more]
Mend combi boiler diverter valve hot water
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Glow-worm combi boiler 100e information urgently needed?

where is the diverter valve on a Glow-worm 100e combi boiler and what do i need to do to change the diaphragm ... [Read more]
Mend boiler pressure fault
1

pressure fault on combi glowworm 30ci plus?

Ref above boiler - i noticed presure drop and cut out at .3 bar. refil didnt work so i replced fill loop. all ... [Read more]
Mend boiler central heating diverter valve
1

no hot water from my halstead combi either! How can I fix it?

I had Halstead combi quatro boiler central heating instaled in 1996. central heating rads fully working but My... [Read more]
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baxi bahama 100 combi knackered again-advice requested?

After several flow switches and a new PCB over the years my Baxi boiler has developed another fault. I am assu... [Read more]
Mend heating hot combi boiler
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Radiators heating up when hot water on?

My radiators keep heating up when i run the hot water on my combi boiler, i have changed the diverter valve bu... [Read more]
Mend combi boiler diverter valve central heating
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Fault with 3way diverter f valve on ravenheat combi boiler?

After changing the diaphram and seals on my diverter valve, the central heating is coming on when switched on ... [Read more]
Pages 4321

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