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We have 96 questions about mending 'pressure halstead boiler too'

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Mend Heating, Home Heating Systems

Halstead Ace High boiler: how do you replace pressure switch diaphram?

Halstead Ace High boiler: how do you replace pressure switch diaphram
Mend Heating, Home Heating Systems

halstead ace he30 combi boiler?

boiler is flashing the number 1. tried resetting. also increased water pressure valve. when put on again ... [Read more]
Mend Heating, Home Heating Systems

Halstead finest gold boiler?

Hot water ok. radiators upstairs ok, downstairs rads working occasionally, pressure 1.5 bar but cannot fill w... [Read more]
Mend Heating, Home Heating Systems

halstead ace he 30 combi boiler?

boiler is working fine hot water and heating but goes over pressure blows off through pressure release valve. ... [Read more]
Mend Heating, Home Heating Systems

How do I drop the pressure in my halstead boiler I opened the valve too muc?

The pressure on my cobi boiler dropped so I opened the valve it was hardly moving so I kept it open until it c... [Read more]
Mend Heating, Home Heating Systems

halstead boiler no heating just hot water?

halstead boiler no heating just hot water pressure gage zero what is the problem
Mend Heating, Home Heating Systems

The boiler goes of for no reason but no red light ?

The Halstead ace and Ace high goes of for no reason. no red light . pressure fine just had it serviced
Mend Heating, Home Heating Systems

how can i sort my halstead ace boiler?

Wish I'd not touched it... It was running OK but I noticed pressure on gauge was only 0.5 I was told keep it a... [Read more]
Mend Heating, Home Heating Systems

Halstead ace HE 24 (combi boiler)?

Boiler is showing E. on the LED display, The fan is working if I turn temp dial to standby it shows 0 (no flas... [Read more]
Mend Heating, Home Heating Systems

How do i stop the loss of Pressure in my Halstead ace boiler?

Having changed the Diaphram on the diverter valve the boiler is constantly loosing pressure.How can I stop thi... [Read more]
Mend Heating, Home Heating Systems

How can i fix my halstead ace 24 boiler?

My boiler keeps flashing fault code 3, when this happens we have no hot water or central heating working. Howe... [Read more]
Mend Heating, Home Heating Systems

whats causing my Halstead combi boiler to lose pressure via the overflow?

I have an old halstead combi boiler, about 10 years old i think, which keeps losing pressure. I have checked e... [Read more]
Mend Heating, Home Heating Systems

halstead ace high boiler not igniting?

If anyone can help, it would be much appreciated. The pump runs ,the fan runs,the pressure switch is made and ... [Read more]
Mend Heating, Home Heating Systems

Alstead Ace Boiler?

Hi, please help, my halstead ace boiler turned itself off because of low water pressure, I have added water, a... [Read more]
Mend Heating, Home Heating Systems

how do I increase water pressure in my halstead finest gold combi boiler?

my boiler pressure is zero after I bled radiators, how do I increase the pressure
Mend Heating, Home Heating Systems

Halstead boiler showing error 3?

Have previously cured this by increasing water pressure..whats the "normal" bar reading??? Thank you
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