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We have 87 questions about mending 'boiler working high'

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Mend Heating, Home Heating Systems

worcester boiler?

Boiler serviced 2 weeks ago,High flow 400 working great until house electrical light trip, boiler started ag... [Read more]
Mend Heating, Home Heating Systems

halstead ace high boiler?

My hot water is working fine, but when I turn the heating on it goes off within seconds
Mend Heating, Home Heating Systems

reset a worcester 24i boiler?

Our boiler has recently stopped working after making weird high pitched noises whenever water ran, the boiler ... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e Combi Boiler?

I have a Baxi Combi 105e which has been really great until now but has starting acting up and I think it needs... [Read more]
Mend Heating, Home Heating Systems

Worcester Greenstar Ri started whistling this morning?

Our Worcester Greenstar Ri boiler started making a rather loud high pitched whistling- type noise this morning... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]
Mend Heating, Home Heating Systems

Halstead ace high will not reset?

Hi, I have just serviced a Halstead ace high 30kw combi for a customer. I closed the gas valve to check the ... [Read more]
Mend Heating, Home Heating Systems

dripping boiler?

I have a healstead Ace boiler and the pressure keeps going too high and it is now leaking - or dripping water ... [Read more]
Mend Heating, Home Heating Systems

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]
Mend Heating, Home Heating Systems

boiler not heating up?

Hi! Our boiler is not heating up. We have it on max heat. The boiler is just turning on, heating up a bit (30 ... [Read more]
Mend D.I.Y, Plumbing

Halsead Ace High Serial Number ACH 58352 0417?

What is the problem if water is constantly running out of the Automatic Air Vent.There are no other signs of l... [Read more]
Mend Heating, Home Heating Systems

pressure to high?

I have a baxi combi 10e and the pressure is to high and in the red is there any way i can drain the pressure t... [Read more]
Mend Heating, Home Heating Systems

halstead ace high repeat lockout?

please help, my halstead ace high keeps locking out. once it fires up it works fine but every morning or eveni... [Read more]
Mend Heating, Home Heating Systems

My Halstead combi boiler refuses to work any more - help please!!?

Hi, I have a 6yr old Halstead Ace High combi boiler which has never given me any problems until now. About 3 -... [Read more]
Mend Heating, Convector Heaters

Glow Worm Micron 50FF has no lights on???

My boiler has been playing up, re-igniting but the heating and HW was working. The reset button stays on whils... [Read more]
Mend Heating, Home Heating Systems

Is 2 bars pressure on my boiler too high?

Having bled my radiators yesterday morning, I returned home to find my heating not working. Hot water was on b... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler now ive bled a radiator??

we tried bleeding our radiator in the bathroom last night and water poored out of it, now our boiler - a Voker... [Read more]
Mend Heating, Home Heating Systems

B&Q Silverstar Boiler, main fuse blowing, losing pressure slowly?

Hi - All help is greatly appreciated as I am lost at the minute with this problem. My Boiler stopped workin... [Read more]
Mend Heating, Home Heating Systems

riello rd 3 boiller?

last year i9 fitted our new riello boiler it has been working fine up untill now ,it has got this high pich bu... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Netaheat 10-16?

Any ideas what's wrong with my boiler? It was working fine this morning but this evening there is nothing. The... [Read more]
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