How to mend ... High Outside Ace High

halstead ace high boiler ach 798140518?

Dear sir. Problems with boiler. House been empty for 15 months. System now filled up and gas on. Set to 1.5 ba... [Read more]

halsted ace high?

when i turn hot water on radiators get hot and heating stays on

Halstead Ace High heating constantly running?

I noticed last night that my heating was still on, even though it should have gone off hours ago. When I went ... [Read more]

How can i fix my Halstead Ace High combi boiler?

I have power to the boiler, the green power light is on, when i turn the heating, hot water or both on, the bo... [Read more]

How can I fix my Halstead Ace High boiler?

After having been so impressed with this website over replacing diaphrams I was hoping someone could also help... [Read more]

Halstead Ace High Boiler - Burner on light goes red when trying to run hot ?

I would be hugely grateful if someone out there could help me with this. The CH function of the boiler is ... [Read more]

halstead ace high combi boiler?

hi, my boiler keeps locking out. the fan comes on, then it ignites but after about 5 seconds it locks out agai... [Read more]

halstead ace high boiler?

ace high boiler heats hot water perfectly but boiler will not heat for radiators for more than two seconds. Th... [Read more]

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 deman... [Read more]

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... [Read more]

high pressure on halsetad ace he 24?

do any of you men out there know how i can fix this? with the cold weather i have had heating on lots and have... [Read more]

Ace High Flow switch/Diverter valve?

Hi all,problem is mine is leaking from dhw plunger area,slide to hold micro switch box is rusty,little bit of ... [Read more]

halstead ace high?

pressure gauge keeps dropping i found one leak in radiator valve i fixed it then found leak on the bottom nut ... [Read more]

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 fir... [Read more]

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 a... [Read 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 ... [Read more]

Halstead high ace expansion vessel problem?

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

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 outs... [Read more]

wired room thermostat?

will a SIEMENS RAA20-GB ROOM THERMOSTAT (wired one) fit and work on a halstead ace high combie boiler? chee... [Read more]

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 sh... [Read more]