How to mend Heating Boiler C/heating

I have a ferroli optimax he 31 c boiler ?

The heating just seems to turn on and off randomly having not been programmed.Any idea why ?

Halstead platinum boiler?

No flow to shower head but ok to other taps then no heat and trips boiler. Hot water ok to other taps when C/H... [Read more]

1

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

no hot water.heating ok?

Boiler will not switch from C to D on display when hot water is demanded.A recon PCB has recently been fitted ... [Read more]

heating is turning of ?

heating is mot turning off on vokera boiler thermo stat e83 c omes on thermo staart

1

Heating coming on all times?

HI I have a new Ferroli Modena C HE boiler My thermosat is set to come on twice a day, 5-54 am off 6-15am on... [Read more]

greenstar cdi ?

Hi I have a Greenstar CDI boiler that will not reach over 18 c I've bled the radiators reset the boiler check... [Read more]

1

boiler Glow-worm30cxi 30cxi not working?

It had a red flashing light and f5 switched it off and back on now green flashing light 8.8 c bar no heating o... [Read more]

2

how to regulate gas?

hi we have a main combi 25 eco only four years old gas man says might be p c b but boiler shows no error codes... [Read more]

G .C. NO: 47- 2 670 1 Falcon 80 Question ?

I have a problem with my boiler, until about 2 weeks ago my boiler was always switched on which means i always... [Read more]

2

how can i fix centrol heating?

I have a c/h problem . only half my rads work . hot water going out of boiler warm water coming back in .I hav... [Read more]

how to fix ferroli optimax 25 c?

why would heating stay on continuous wth r stat link removed and timer link out, only controll that works is t... [Read more]

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

Ideal c 30 faluty how can it be fixed?

Ideal c30 combi boiler why does my central heating get warm when boiler switched to water heating and hot tap ... [Read more]

1

Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]

alpha c 28 boiler no hot water or central heating?

can anyone help? my alpha c 28 boiler is giving me no hot water or central heating warning light (A) is flashi... [Read more]

istor he260 and manifold to underfloor heating?

our boiler provides hot water to the tap shows a c on the front control which i believe means the heating is o... [Read more]

1

ferroli optima 901 c/heating problem?

heating will not come on but hot water ok. pump runs. boiler fires up when stone cold for c/h eventually but w... [Read more]

1

New glowworm ultimate c 30 boiler losing pressure?

We have a new boiler about 8 months old but have been using it daily for about a month for heating. For the fi... [Read more]