no central heating

Heating oil is any petroleum product or other oil used for heating; a fuel oil. Most commonly, it refers to low viscosity grades of fuel oil used for furnaces or boilers use for home heating and in other buildings. Home heating oil is often abbreviated as HHO.Most heating oil products are chemically very similar to diesel fuel used as motor fuel; motor fuel is typically subject to higher fuel taxes. Many countries add fuel dyes to heating oil, allowing law enforcement to check if a driver is evading fuel taxes. Since 2002, Solvent Yellow 124 has been added as a "Euromarker" in the European Union; untaxed diesel is known as "red diesel" in the United Kingdom.
Heating oil is commonly delivered by tank truck to residential, commercial and municipal buildings and stored in above-ground storage tanks ("ASTs") located in the basements, garages, or outside adjacent to the building. It is sometimes stored in underground storage tanks (or "USTs") but less often than ASTs. ASTs are used for smaller installations due to the lower cost factor. Heating oil is less commonly used as an industrial fuel or for power generation.
Leaks from tanks and piping are an environmental concern. Various federal and state regulations are in place regarding the proper transportation, storage and burning of heating oil, which is classified as a hazardous material (HazMat) by federal regulators.

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  1. I

    Grant combi CHP not running

    Grant combi boiler, Light on CHP not on and no electrical supply to pump, programmer switch set to constant. DHW pump light on and running but programmer switch is off. Check one way valve on CHP seems to be free and working.
  2. W

    No Central Heating, Pump faulty???

    Hi all, Central heating has packed up at my parents house, firstly it was only the upstairs Rads that were working and downstairs not now both have stopped working. I think it could be the central heating water pump as it seems a little loud with some 'odd' sounds now and then, I have tried...
  3. P

    URGENT Boiler Issue / No Central Heating

    Hi all, We had a bathroom fitted on the ground floor over the past couple weeks, including a new wall hung radiator in there. Unfortunately for both days since the completion the bathroom i've had an issue where the boiler is coming on but the radiators aren't getting warm. The boiler looks...
  4. B

    Potteton boiler no central heating

    Having troubles with my potteton gold combi 28he a. Water works completely fine however the central heating has seized to work. When calling for heat, the boiler rad light comes on. The pilot light will ignite and stay on until 90 is reached on the boiler at which point it turns the pilot back...
  5. Macarius

    Strange issue with boiler - (Baxi Bermuda 401 - Vintage) - no central heating!

    Hello folks, just fired up the boiler for the winter and booked in a service and i'm having an odd issue, the hot water heats up fine, scalding hot but the boiler refuses to fire up the central heating. I have one of these old back boilers behind a fireplace which has a separate control panel in...
  6. Bottom

    Baxi DuoTec Combi 28 HE A - No central heating

    The central heating on my Baxi DuoTec Combi 28 HE A has stopped working but the hot water is fine. I have also discovered a leak from somewhere on the lower isolation valve to the Fernox TF1 Compact filter, it may just need tightening up. I'm guessing that it could be the diverter valve but...
  7. C

    Hot water but no Central Heating with young children

    We have a Potterton Titanium Combi Gas Boiler which was setup with the wireless Nest Thermostat last year to provide heat to our radiators, heat up our unvented indirect cylinder to provide us hot water and to heat up our under floor heating in our kitchen. There is also one tap in the house...
  8. P

    Hot water but no central heating from combi boiler?

    Greenstar junior 24i. It's been checked a few months ago. I haven't actually used it for central heating for a couple of years and seldom for water. The pressure on it always goes to 0 bars after a few days and usually the filling loop is permanently attached so I would just up the pressure by...
  9. G

    Potterton Performa 30 HE no central heating

    Hi customers boiler is not working for the central heating. Hot water is working fine, ignition sequence for heating is fine and it will fire when cold for a few seconds before temp reaches 80 and it cuts out there are no faults showing up. fan is working, pump is working, heat exchanger...
  10. W

    Halstead ace combi HE 24 or 30 - no central heating

    Hot water seems fine but central heating not working. When heating turned on, C is displayed (but without .) and no sound of boiler attempting to light. No problem with hot water. Any thoughts v welcome thanks
  11. T

    Glow Worm 30cx, can't get C/H to work and Rad symbol showing OFF

    Evening all First off a big hello from a sparky to all you fellow Plumbers/Gas Engineers out there. I'm not here to say who's better than who and I really do hope you will all show me mercy as I will admit even I have limitations, hence why I am here to ask for help. Basically, I have...
  12. T

    Ideal classic ff240 no central heating hot water ok

    Hello folks looking for some help here my brothers house an open vented system . Ideal classic ff240does not fire up When heating is switched on. Boiler only fires up when hot water is switched on. Checked power to boiler also pump rums when heating switched on but still does not fire up. Anyone...
  13. B

    Heatline monza 24 no central heating

    hi guys i have a heatline monza 24 boiler and i have a problem with the heating ,when you put the heating on it stays on for about 5 to 10 mins then the flame goes out and will not be able to restart it for a couple of hours then the same happens all over again,there are no error codes and the...
  14. D

    No central heating downstairs

    Hello I recently removed a surplus radiator from a downstairs room and it was so old that the valves were quite seized up and as a result lost a significant amount of water in the process before managing to fully close the valves. For a few days after removing the radiator the central heating...
  15. T

    Unvented Megaflo - hot water fine but no central heating

    Hi all - hoping you can help with a strange issue.. which, if i'm honest, may be something simple and I'm just totally missing! So since the weather has got a bit colder, i've had my central heating on with no issues.. then suddenly I've stopped getting ANY central heating, while the hot water...
  16. F

    No central heating

    Hi I wonder if you can help me All rads are cold, the Grunfos alpha 2 pump is running and all pipes around it are hot, there is a pipe behind it with a bleed vavle on the end, If I release the air from this pipe and mess around with the speed of the pump, start it and stop it I can get the rads...
  17. N

    Why do I have hot water but no central heating???

    Hello, can anyone help me. I have an Ideal FF30 minimiser SE boiler. I am running a Horstmann HRFS1 programable timer with it. The hot water is working fine. Switched on the central heating last night and nothing.:smartass: The thermostat is working fine, the little fan sign shows it is...
  18. D

    Worcester Greenstar 24Ri LPG boiler hot water ok but no central heating

    Hello Folks , first time on here so be gentle ! Worcester Greenstar 24Ri LPG boiler I have a conventional vented heating system with hot water cylinder in the airing cupboard . The whole system is 4 years old and runs on LPG . I have a salus pump , 3 port valve and control pack . The pump was...
  19. A

    Potterton Promax he plus no Central Heating

    Alrite iam a gas safe registered engineer I have come across a Potterton promax he plus combi boiler No error codes No Central heating Hot water is fine Pump and fan are both fine Thermostat calls fine the central heating light comes on for a few seconds but then goes off. The ch temp also...
  20. D

    Hot water but no central heating - Ideal Logic 24

    We had this problem a few months ago, where we had heating but no hot water, and the problem was solved by one of the methods (not sure which as we did all of this at once and it could have been any of them or none of them) - I changed the batteries in the (Honeywell wireless) thermostat...
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