halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a demand for heat is given for either system (CH & DHW). The green power on light is lit. On the ... more

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Halstead Ace High boiler: no heating and no hot water!?

I have no heating and no hot water. I have checked the pressure and it is on 2. I have turned the boiler off, held the reset switch for 30 seconds and then turned it on again but nothing seems to ha ... more

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halstead ace high?

pressure gauge keeps dropping i found one leak in radiator valve i fixed it then found leak on the bottom nut of the automatic air vent fixed that checked all other rads no leaks but pressure still dr ... more

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halstead ace high heating problem?

when heating is called for the boiler fires up for only 90 secs the pump keeps running. then takes ages to fire up again only for 90 secs again

Halstead Ace High boiler central heating cuts out before thermostat tempera?

Hi, my Halstead Ace High boiler central heating cuts out before thermostat temperature. Hot water works fine and switches back to CH when turned off. CH thermistor has been changed but it still cuts o ... more

Boiler doesn't heat up?

Hi, I have an Halstead Ace High boiler that was showing lockout but i topped the pressure up to 1.5bar and pressed the reset button underneath and now the boiler doesn't lock out but the water and ... more

Halstead high ace expansion vessel problem?

how do you change the expansion vessel in a Haltead high ace combi boiler

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pressure too high - Halstead Ace High?

Is there any way to reduce the pressure it's running at 3.5 and leaking water through the overflow to the outside? It was running fine at 2.5 until 'somebody' adjusted it!!!

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wired room thermostat?

will a SIEMENS RAA20-GB ROOM THERMOSTAT (wired one) fit and work on a halstead ace high combie boiler? cheers karl.

Halstead Ace High Boing firing but then turning off?

Hi My mums boiler is showing 0 on the pressure gauge. I reset it, it fires up, there is flame than it shuts down again and the power light flashes green Can anybody help, she is on her own an ... more

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how can i fix my boiler?

halstead ace high hot water is intermitent i clean the heat exchanger and all is well but why does it heep happening (about every 6 weeks)and how does the black scale come from the central heating mo ... more

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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 switched on resulting in no hot water at all coming through...can you help? the central heatin ... more

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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 switched on resulting in no hot water at all coming through...can you help? the central heatin ... more

Halstead Ace High - Overheat and Lockout?

Hi, We have a Halstead Ace High. Within about 45 seconds after drawing a substantial amount of hot water (two showers) the boiler will start spitting out steam and hot water droplets from the littl ... more

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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

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halstead high ace boiler?

i have not got continuos hot water boiler keeps locking out. can you help please

why does pressure guage show 0 on halstead ace high boiler?

I just moved into my new flat a few months ago and noticed the pressure guage keeps falling to 0 on my halstead ace high combi boiler when not in use but when heating comes on or i use hot water the g ... more

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halstead ace high?

Need to change the diaphram in the diverter valve do i need to completetley take out the diverter valve or just the front of it by removing the two screws

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Halstead High Ace - DHW not turning off?

After turning off the DHW tap, my Ace High boiler stays in Hot Water mode - this also heats up the radiators. Some time ago I had to replace the DHW flow assembly diaphragm because the hot water would ... more

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How can I solve the problem with my Ace high Halstead Boiler?

My Ace High Boiler the green light comes on when I have it set to hot water I run the tap the Boiler fires up for 2 seconds and then goes out and the same when I set it for hot water and heating .I ha ... more

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