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We have 118 questions about mending 'lock boiler hot'

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Mend Heating, Home Heating Systems

Worcester 19/24 CBi Constantly locking out?

I have a Worcester 19/24 CBi boiler (4 years old) which keeps locking out whenever I put the central heating o... [Read more]
Mend Heating, Home Heating Systems

FERROLLI DOMINA 80E PROBLEM STARTING IN THE COLD?

Boiler tries to start up fan goes,sparking ok, then makes a ocoilating noise and goes into red fault lock out ... [Read more]
Mend Heating, Home Heating Systems

Riello RDB2 oil burner wont ignite when hot?

I have a Riello RDB2 burner in my boiler. After fuel running out and subsequent re-fill the burner ceased func... [Read more]
Mend Heating, Home Heating Systems

Heatslave 15/19 lockout?

Hi I have a worcester heatslave 15/19 have replaced the expansion vessel after noticed it was slightly leaking... [Read more]
Mend Heating, Home Heating Systems

Glow worm compact electronic, sometimes ignites, other times locks out?!?

Hi, I have a glow worm compact electronic gas boiler which is giving me some trouble. When running hot w... [Read more]
Mend Heating, Home Heating Systems

how to fix a biasi combi boiler?

Hi there, I have a Biasi M96.32SM/C2 combi boiler and have recently been experiencing problems. The lock-ou... [Read more]
Mend Heating, Home Heating Systems

How to fix my worceister boiler? Junior 28i combi?

Hi there I have just over 2 years old combi worcester 28i boiler and ever since we had to drain the system we... [Read more]
Mend Heating, Home Heating Systems

my halstead ace high boiler has the 'lock out' button lit and i cannot get ?

my halstead ace high boiler has the 'lock out' button lit and i cannot get any hot water. How can i fix this
Mend Heating, Home Heating Systems

how can i get my worcester oil heatslave 15/19 boiler to ignite?

my worcester oil heatslave boiler will not ignite. The power light is on but the lock out light is off. When I... [Read more]
Mend Heating, Oil Filled Radiators

What is causing the air in the inlet line?

I have a kerosene tank, above ground, outside that fuels the boiler for the house. I keep getting an air lock ... [Read more]
Mend Heating, Convector Heaters

Combi drain down now no hot water !?

I have a five year old Biasi boiler. It has been working fine. Today had to swap radiator and drained down sy... [Read more]
Mend Heating, Home Heating Systems

NO HOT WATER?

I have a back boiler which runs central heating ok but gravity fed water doesnt work.The flow pipe to water cy... [Read more]
Mend Heating, Home Heating Systems

problem with Halstead Ace High Boiler?

My boiler won't fire up the central heating or hot water, the burner fires up for about 5 seconds and then sto... [Read more]
Mend Heating, Oil Filled Radiators

how to fix an air lock in a heating system??

i took off two radiators in my house and had to drain out the system.when i connected them up again and turned... [Read more]
Mend Heating, Home Heating Systems

how can i fix trapped air in my combi boiler?

I have a britony combi 80 boiler and when i either turn the heating on or hot water tap the pressure gauge ris... [Read more]
Mend Heating, Home Heating Systems

lock off light keeps comming on ?

no hot water no C/H was working just stopped fan runs but boiler wont fire up please help
Mend D.I.Y, Plumbing

I think that I have an air lock at the bottom of my hot water system?

I have a potterton boiler, feeding the heating and hot water. The hot water is held in a vented cylinder and h... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Vokera Maxin 28e boiler?

My Vokera Maxin 28e combi boiler continues working normally for 30mins sometimes up to 2 hours before shutting... [Read more]
Mend Heating, Home Heating Systems

vokera compact hot water ok,heating starts then locks out?

vokera compact 5 years old hot water working ok.when heating fires up boiler keeps going to lock out re set.ha... [Read more]
Mend Heating, Home Heating Systems

ferroli modema 102?

there is no hot water or heating when these are asked for the boiler lock out red light comes on suspect saf... [Read more]
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