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We have 87 questions about mending 'boiler working high'

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Mend Heating, Home Heating Systems

halstead ace high boiler hot water proplem?

my halstead ace high boiler has stopped switching over to give me hot water when the hot tap or shower is swit... [Read more]
Mend Heating, Home Heating Systems

how can i fix my halstead ace high boiler?

my halstead ace high boiler has stopped switching over to give me hot water when the hot tap or shower is swit... [Read more]
Mend Heating, Home Heating Systems

Halstead ace high boiler, ch not working?

my central heating is not working but the hot water is fine, think it may be the diverter valve but not sure
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

How to operate DHW part in Triangletube ?

We have installed triangle tube boiler for both CH and DHW in January, 2010. Boiler temperature was always hig... [Read more]
Mend Heating, Home Heating Systems

High noise on Ferroli optimax HE 31c?

When the boiler runs in a low fire, it's make a high vibrating noise for 1 minute, then it's working ok, but w... [Read more]
Mend Heating, Home Heating Systems

boiler, ace high halstead?

boiler will not fire , was working fine then found that when I turned the water on it's showing the water ligt... [Read more]
Mend Heating, Home Heating Systems

Ideal Elan 2 40F boiler?

Hi all, I have an approx 15 year old Ideal Elan 2 40F boiler which was in the house when we moved in. A few... [Read more]
Mend Heating, Home Heating Systems

is it time to replace my boiler???

Glow worm swift flow120 combi boiler(1995). The boiler was working fine then stopped, Mr man on this forum su... [Read more]
Mend Heating, Oil Filled Radiators

no hot water from halstead ace high 47-333-16 HW/CH boiler?

i am unable to get the hot water to work but i do have working central heating. The boiler seems to fire up b... [Read more]
Mend Heating, Home Heating Systems

worcester boiler no ignition and flashing light?

we have had a hairdryer on inside pipes and boiling water on outside pipes but still not working should we be ... [Read more]
Mend Heating, Home Heating Systems

Reset button flashing?

my GREENSTAR 24Ri system is not working? the pilot light isnt going on and it is making bubbling noises, I ha... [Read more]
Mend Heating, Home Heating Systems

How can i fix my 38cxi ultracom?

Has any one had problems with their cxi ultracom hot water not staying hot when trying to run bath or shower h... [Read more]
Mend Heating, Home Heating Systems

Boiler pressure keeps increasing?

Hello, I have a Worcester Heatslave 15/19. When the central heating is switched on, the pressure rises.. I ... [Read more]
Mend Heating, Home Heating Systems

Halstead High Ace Boiler HW & CH Problem?

Hi, I am at my wits end and need help as winter set in with 3 children. My boiler has played up for many yea... [Read more]
Mend Heating, Home Heating Systems

light is blinking in boiler?

i have got wrochester jounior boiler yesturday it was showing high pressure i low the pressure and it was less... [Read more]
Mend Heating, Home Heating Systems

Ideal icos HE24 whistling and howling?

I have just moved into a new house and boiler has been working fine. I have just started using the heating, a... [Read more]
Mend D.I.Y, Plumbing

No Hot Water At All?

Hi, I am having problems with my hot water - both central heating and hot water from the taps. The water from ... [Read more]
Mend Heating, Home Heating Systems

Linea Vokera 24 water pressure too high?

My Linea Vokera 24 boiler is not working. The water pressure is at 2. It's meant to be between 1 and 1.5. Is t... [Read more]
Mend Heating, Home Heating Systems

Myson Apollo 40S keeps shutting out!?

when I switch on the boiler (it's usually switched off when hot water is not required as the fan is noisy and ... [Read more]
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