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Mend Boiler Thermostat Fault

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We have 127 questions about mending 'boiler thermostat fault'

How to mend Boiler Thermostat Fault

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Mend combination boiler turn water

How can I fix it?

I have a baxi combination boiler 105e, all the temprature led lights come on and shut the boiler down as soon ... [Read more]
Mend fault heating hot
1

vaillant ecoTEC plus 428 displaying fault 98?

Hi - We cannot get the central heating to work however the hot water and underfloor heating in the kitchen is ... [Read more]
Mend house year installed
4

Vaillant Ecotec plus 824 with no central heating?

Please help!! We've been in this house for almost a year - so I'm not sure when the boiler was installed bu... [Read more]
Mend boiler light flame fault
1

How can I fix my potterton peforma 24 boiler?

The boiler comes on but the burner/flame light does not come on at all. The flame fault indicator also does no... [Read more]
Mend wrong potterton boiler
2

What is wrong with our Potterton Profile 80E boiler?

It is about 20 years old but works very efficiently when ON. The trouble is the pump is on constantly (24/7) ... [Read more]
Mend fault fires turn

ikon 4050ci boiler fault?

Ikon 40-50 ci Only fires if I turn stat off and on several times, I have replaced PCB , pressure switch and t... [Read more]
Mend boiler switch fires gas
1

Boiler or Thermostat?

When I switch on my boiler it fires up but the fan starts, the ignition light fires up the gas burners and the... [Read more]
Mend boiler fires 10

Potterton profile boiler fault?

My potterton boiler fires up and then shuts down after 10 minutes.Should i replace the gravity hot water/pump ... [Read more]
Mend work replaced thermostat

why won't our new controller work?

we have just replaced our rf thermostat and reciever on our oil boiler from a drayton digistat + rf to a sieme... [Read more]
Mend vaillant boiler fault pressure
1

Vaillant ecotec 466 boiler f.75 5er code?

Hi we have the above boiler which has been displaying the F.75 fault code. We have had the pressure sensor cha... [Read more]
Mend boiler temperature fault code

Worcester Greenstar 18Ri Volatile Lockout...which sensor to replace?

I have a Worcester Greenstar 18Ri boiler which runs for about 60 seconds before stopping with a fault code of ... [Read more]
Mend combi wont turn
4

have a baxi 105e combi boiler but the heating wont turn on?

the water runs hot and combi seems to be working fine but the central heating wont turn on thermostat turned u... [Read more]
Mend suspect problem gas

My Greenstar 532i doesn't reliably fire up and heat the rads?

I suspect there is a problem but when we got the gas folk out before they just filled it with a bit more water... [Read more]
Mend fires short time
1

how can i fix my ferroli domicompact f 24 b boiler?

when the thermostat calls for heat the boiler fires up but after a short time it switches off and the fault d... [Read more]
Mend hot water radiators work ok
2

no hot water but radiators work ok?

Hello. We have a Ravenheat csi 85 - csi 85t boiler. there is no hot water unless radiators are on. on a earlie... [Read more]
Mend boiler central heating thermostat
1

Why do I have hot water but no central heating (Worcester28iJunior)?

Hello. I've come back from hols to find that there's no circulation in the c h system. The hot water from the ... [Read more]
Mend locking out central fault pcb
1

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
Mend halstead hot turned heating

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]
Mend central heating combi boiler fault
1

Central heating Potterton Promax Combi HE boiler has gone down - no heat at?

Hi, can you please advise how I can fix my central heating which has gone off and showing fault E119 low syste... [Read more]
Mend help thermostat reset

fault with my boiler?

Help it looks like my wireless thermostat has crashed leaving me with no heating or water. How do i reset it? ... [Read more]
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