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We have 687 questions about mending 'boiler problem central heating'

How to mend ... Boiler Problem Central Heating

Mend Heating, Home Heating Systems

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]
Mend Heating, Home Heating Systems

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]
Mend Heating, Home Heating Systems

no hot water from taps when boiler is off/standby?

I am having a problem with my Ariston Super Combi. I can get hot water from all of my taps when I turn my cen... [Read more]
Mend Heating, Home Heating Systems

Can can I fix an airlock in the central heating system?

I have recently had a new valliant eco plus gas boiler fitted, along with 13 new lockshield valves and TRV's o... [Read more]
Mend Heating, Home Heating Systems

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]
Mend Heating, Home Heating Systems

Drayton rf1 wireless system problem?

Recently moved home. I have followed all the Q&As on this site regarding the rf1 system in my new home. I pu... [Read more]
Mend Heating, Home Heating Systems

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]
Mend Heating, Home Heating Systems

Problem with Powermax 155x boiler?

The green burner light has started turning off after 5-10 minutes of the hot water coming on. It won't go bac... [Read more]
Mend Video, Televisions

when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]
Mend Heating, Home Heating Systems

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]
Mend D.I.Y, Plumbing

Help with central heating wiring please?

Have just fitted a Danfoss actuator in airing cupboard and a new digital thermostat in the hall. Problem is th... [Read more]
Mend Heating, Home Heating Systems

How to repair sticking gas value Heatline Vizo 24?

I am getting a flashing LED to advise gas failure. No hot water or central heating. The boiler starts to fi... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]
Mend Heating, Home Heating Systems

grant oil fired outdoor boiler?

it heats the water but not the radiator. is this a boiler problem(as just pushed reset button with light on... [Read more]
Mend Heating, Home Heating Systems

Problem with my potterton 2000 programmer?

The HW constant switch will turn the boiler on but I have no central heating as the CH constant switch has no ... [Read more]
Mend Heating, Home Heating Systems

combi is emptying water out of overflow when topped up?

having problems with ideal combi boiler. the pressure gauge is almost on zero so i have to top it up for the b... [Read more]
Mend Heating, Home Heating Systems

why does wind stop my ferroli optima 701 central heating boiler working ?

why does my ferroli optima 701 central heating boiler stop working properly when it is windy? When there is n... [Read more]
Mend Heating, Home Heating Systems

Ariston microgenus 23 mffi boiler turing itself on?

Have a problem with the above boiler. Over the past few days have noticed that the boiler turns itself on all... [Read more]
Mend Heating, Home Heating Systems

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave Leaking?

Same problem as Andy - problem with the low pressure, had to keep topping up the system - now found water lea... [Read more]

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