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Fix Fault Boiler Thermostat

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We have 1248 questions about fixing 'boiler thermostat'

IDEAL ICOS HE24 BOILER IGNITION BANG?

Our HE24 Ideal condesating gas boiler is now 4 years old and has started to have a loud ignition bang when the programmer demands hot water. This only occurs when the pre-set timer on the programmer h ... more
home Fix label Heating label_important Home Heating Systemsdone

boiler keeps going out?

hi i have an old thorne olympic boiler..i have changed the thermocouple and the pilot light stays alight...but when the main burner comes on the whole flame goes out as well as the pilot light after 5 ... more
home Fix label Heating label_important Home Heating Systems category Thornedone

valiant combi boiler?

when Iturn my central heating on with the thermostat on the wall the boiler fires up but after 30 seconds dies down so my radiators are nt getting warm. but I still getting hot water.
home Fix label Heating label_important Home Heating Systems category Valiant

My boiler is working but the hot water supply has gone cold.. ?

I have a potterton gas bolier and a Hercal vented cylinder. While the boiler is working (central heating), the hot water supply has gone cold. There is a thermostat attached to the front of the cylin ... more
home Fix label Heating label_important Home Heating Systems category Potterton

honeywellST6300A?

just moved to new property have set the timer, put thermostat to 24 degrees but heating is not working. The boiler makes the right noises - firing up and going off etc but no heat anywhere in the hous ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

Thanks John! Trianco Redfyre boiler - where can I find the frost thermostat?

Following on from the previous question, the rads are not on at all... have looked for frost thermostat at site of boiler, have removed front casing - but nothing obvious. Could it be inside the h ... more
home Fix label Heating label_important Home Heating Systemsdone

cannot adjust temp on heating on vokera excell 80 sp?

i usually leave my heating on half way on the tempurature dial, but the radiators are boiling hot so it seems like the boiler thermostat isnt working?????? a engineer came and swapped the thermistor ... more
home Fix label Heating label_important Home Heating Systems category Vokeradone

Home Heating Systems?

Marathon Myson 600C Floor standing boiler. Had boiler thermostat changed but water still getting very hot.
home Fix label Heating label_important Home Heating Systems category Myson

Problem with Ideal Isar Combi boiler?

I have an Ideal isar combi boiler running off a seperate thermostat. All has been fine with it until now. The boiler is firing up the central heating several times during the day although the stat is ... more
home Fix label Heating label_important Home Heating Systemsdone

Vokera 80 SP?

Hi, when my heating is on and the thermostat is calling for heat the boiler comes on but every say 15-30 seconds the gas valve keeps shutting off and re-igniting. Is this a fault on the pressure diffe ... more
home Fix label Heating label_important Home Heating Systems category Vokeradone

MYSON ORION 40B HEATING RADS ALL THE TIME?

ROOM THERMOSTAT TURNED DOWN AS LOW AS POSSIBLE AND BOILER IS STILL FIRED UP HEATING RADS. TURNED THERMOSTAT ON BOILER DOWN TO JUST ABOVE ZERO AND HEATING GOES OFF. WHATS GOING ON? HELP!!!!!!!!!!!!!!! ... more
home Fix label Heating label_important Home Heating Systems category Mysondone

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a few minutes. The hot water also seems to go cold then hot when it is running. I have chec ... more
home Fix label Heating label_important Home Heating Systems category Simedone

38 CXi with thermostat problem ?!?

I have a 38 CXi and all has been working well, but it was moved recently due to house extension work. Now, irrespective of whether the central heating is on or not, the boiler will kick in regularly. ... more
home Fix label Heating label_important Home Heating Systems category Potterton

I have a glow worm space saver 38/50 ?

my space saver 38/50 boiler refuses to fire up.pilot light working normally. thermostat in heat position, timer set as per normal still refuses to work. Have just fitted a new thermocouple to no effec ... more
home Fix label Heating label_important Home Heating Systems category Glow-wormdone

Combi boiler high pressure?

We have a baxi combi boiler, the radiators are not getting hot at all, all valves open and hot water is fine the pressure on the boiler is over 3bar. We have checked thermostat and replaced batteries ... more
home Fix label Heating label_important Convector Heatersdone

Furnace/boiler wont ignite?

Pilot is ignited-visible flame present Thermostat is on- old heneywell thermostat Furnace/boiler will not ignite (Fan works when on manual, blowing cold air) Why doesn't the furnace/boiler ignit ... more
home Fix label Heating label_important Home Heating Systems category Honeywell

Themostat Vulcan Continental?

Hi. I suspect that the thermostat has gone in my Vulcan Continental 45/60. Please can somebody help me source a new one and tell me where the thermostat is actually postioned in the boiler
home Fix label Heating label_important Home Heating Systems category Vulcan

the boiler fires up and after five minutes it cuts off?

The boiler starts up and after five minutes it cuts off could it be the thermostat?
home Fix label Heating label_important Oil Filled Radiatorsdone

problem with room thermostat control?

i have a problem with the room thermostat not controlling the boiler, the boiler works ok using the intrnal thermostat. there does not seem to be any electrical out put at the external connection bloc ... more
home Fix label Heating label_important Home Heating Systems

My Worchester 24i RSF stopped giving heat to radiators & intermittant water?

Had a room thermostat on the boiler, heating was fine but hot water was intermittant and kept running cold. If room thermostat disconnected then the boiler doesnt provide heat to radiators and the ho ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

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Fix Fault

Audio Bathroom Appliances Boats Breakables Cameras Clocks and Watches Clothing Computers Cooling D.I.Y Furnishings Furniture Garden Tools Heating Household Appliances Kitchen Appliances Leisure Equipment Memory Musical Instruments Navigation Office Appliances Power Tools Security Systems Software Telephones Toys Vehicles Video

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