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We have 7994 questions about mending 'boiler not heating up'

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Mend Heating, Home Heating Systems

is it safe to turn my boiler off daily?

my boiler serves the main house and a small annexe attatched to the main house. the people renting the one be... [Read more]
Mend Heating, Home Heating Systems

potterton combi?

water heater will light the boiler but central heating keeps going out sfter 10 seconds or so...what can i do?
Mend Heating, Home Heating Systems

ideal he30?

Central heating is working ok but when I turn hot water ON, water is lukewarm and goes cold in few seconds. n... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e combi boiler - fan problem?

I have a 9 year old Baxi 105e combi, which has been regularly seviced and has had a hot water diaphragm replac... [Read more]
Mend Heating, Home Heating Systems

Modena 80e ?

Hi. I have the above combi boiler. Ever since we turned it to heating for the colder weather it comes on at th... [Read more]
Mend Heating, Home Heating Systems

no heating?

worcester bosch greenstar ri boiler. Hot water is working but central heating is not? Any ideas?
Mend Heating, Home Heating Systems

Boiler trips out. Sirrus Radiant?

Sirrus Radiant model RMAS 20 E. Type C.. Boiler trips out when hot water taps are run. Boiler trips our when h... [Read more]
Mend Heating, Convector Heaters

Glow worm ultimate 50 BF will not fire up?

My boiler Glow worm ultimate 50 BF will not fire up even though the pilot light is on. So I have no heating or... [Read more]
Mend Heating, Home Heating Systems

Boiler ignites for a few seconds then cuts out?

... CLASSIC NF 240 Boiler when went to switch it on after a period off been shut down it starts to ignite and ... [Read more]
Mend Heating, Home Heating Systems

My Ariston Combi A boiler keeps losing pressure from Central heating loop?

Heating loop pressure drops to the red line twice a day. Cannot find any leaks from any of radiator and no lea... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 42CDi Making Loud Noises?

When my boiler fires up it makes a loud "motorbike" type noise, which rattles the casing and vibrates througho... [Read more]
Mend Heating, Home Heating Systems

How to fix my boiler Viessmann vitoden 100 ?

Hot water works ok but no heating if the hot water is turned off from the control knob on the front cover of b... [Read more]
Mend Heating, Home Heating Systems

Sabre 26 he + Green led flashing no heating but hot water ok??

HI I have a sabre 26 HE Plus when I turn the boiler on I get hot water but no central heating. When the boiler... [Read more]
Mend Heating, Home Heating Systems

Location of small condensing tank?

Can anyone tell me the location of the small condensing tank in the 24i junior greenstar - the boiler appears ... [Read more]
Mend Heating, Home Heating Systems

ferroli falcon won't work!!?

Hi all. I have had a ferroli falcon combi boiler for about four years and it was only serviced last year. this... [Read more]
Mend Heating, Home Heating Systems

Location of pilot light Thorn Housewarmer Super back boiler?

Just purchased a house with Thorn Housewarmer Super back boiler. Had it checked out and it was working for he... [Read more]
Mend Heating, Home Heating Systems

how to fix my ravenheat silver star combi boiler?

When on central heating and has reached its correct temp the burner switches off/on every few seconds I have c... [Read more]
Mend Heating, Home Heating Systems

home heating?

hi my Halstead hero 60 when the time clock /thermostat call for heat the Boiler fires up, but when it cuts out... [Read more]
Mend Heating, Home Heating Systems

how can i fix my condenser boiler?

my heating is on but my hot water runs cold, when my heating is off the water is ok
Mend Heating, Home Heating Systems

How to fix my 28i RSF boiler?

I recently moved to new house. I noticed a small leaking from the discharge pipe initially. But now Water is ... [Read more]

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