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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. G

    Biasi Riva M90E.32S Problem, getting running hot water but no central heating???

    Hi can someone please help I have a biasi boiler come home from work on new years day and i no longer have central heating. I have running hot water on demand but when i turn the thermostat on for the central heating it turns on for approx 10 seconds i hear the pump etc and then automatically...
  2. G

    Biasi Riva M90E.32S Problem, getting running hot water but no central heating???

    Hi can someone please help I have a biasi boiler come home from work on new years day and i no longer have central heating. I have running hot water on demand but when i turn the thermostat on for the central heating it turns on for approx 10 seconds i hear the pump etc and then automatically...
  3. C

    Worcerster 28Si ii no central heating

    The CH kicks in when there is a demand. However, it ignites, makes some noises for 30 secs and then gives up. If you then turn the hot water on, the boiler bursts into life as normal. When it's turned off, if there is still demand for the CH it tries again only to give up again 30 secs later...
  4. C

    Worcester 28Si ii No central heating

    The CH kicks in when there is a demand. However, it ignites, makes some noises for 30 secs and then gives up. If you then turn the hot water on, the boiler bursts into life as normal. When it's turned off, if there is still demand for the CH it tries again only to give up again 30 secs later...
  5. C

    Worcester 28Si ii NO CENTRAL HEATING HOT WATER IS FINE THOUGH

    Hi, We moved into a house in July and due to having to do work on it, yesterday was the first time the boiler has been turned on. I removed the wired thermostat. The way it was wired was using a 3 core and earth wire with the neutral going to N, Live going to L, a link wire between L and...
  6. A

    No Central Heating only - fine on HW and CH or HW only

    Hello, I am after some assistance with the issue I have with my Open Vented, Fully pumped Central Heating system. I have a Glow Worm Ultimate 60BF boiler, Sunvic MoMo 3 Port Mid-Position Valve, Sunvic Digi Stat, Sunvic Programmer, TRV's fitted to all but 2 rads, Honeywell Tank Stat and a Wilo...
  7. O

    which LPG Hot Water boiler for home, no central heating

    Hi all, I'm after some advice on what to replace my now defunct hot water system with. What has died is a Heatrae Sadia R6 (S#61927). The steel tank has rusted, gone porous and leaked hot water across the attic. I'm exploring whether simply replacing this is really the best solution for our...
  8. U

    Ferrell optimal h31 no central heating but hot water working

    Looking for some help please.... The hot water is working fine but for some reason the central heating won't come on. I've taken it out of summer mode, turned up the thermostat in the room to full(the display on this shows flames to state the boilers on) It's currently on programme but hasn't...
  9. O

    Base of hot cylinder cold - no central heating

    Hi All, I've recently purchased a flat built in the 1930's and am having some trouble with the central heating. Firstly it's an indirect boiler (two cisterns on the loft with expansion pipes) but only run by an electrical immersion heater. I've replaced the old 27" immersion heater (it's...
  10. D

    Ferroli Modena 80E no central heating - strange pressure jumps!

    Hi All, This is my first post to the forum - brought on by a lack of central heating....!! We have a Ferroli Modena 80E which has been fine until recently. Central heating water pressure had been dropping recently. We'd top it up a bit, back to about 1 bar. That'd be fine for a day...
  11. A

    Main Eco 25 - No central heating - Got hot water

    Hey guys, I've got a 3 year old Main Eco 25 combi boiler that's suddenly stopped working for central heating, hot water is working fine on the taps. We don't have a wall type thermostat, each radiator has it's own setting (always on full - 5), we just flick the switch on the boiler...
  12. N

    Vokera 29 HE - hot water, but no central heating

    Hello, I just moved into a house with this boiler. It was last serviced in June, but I imagine the CH part hasn't been used over the summer. Just before I moved in a couple of days ago, I had some plastering done that involved removing and replacing two radiators. I was told they...
  13. H

    Getting Hot Water, But No Central Heating

    Hello Just bought a property. Old 114 years old building (Ground floor flat). Note that I'm getting a hot water but central heating do not work. Boiler - Worcester 24i (system boiler?) Any ideas what can be wrong?
  14. A

    Vokera Linea 24 Problem - no central heating at first but now a complete shut down :(

    Hi guys, Please excuse my newbieness but you guys look like a friendly bunch of chaps ;) Recently my radiators stopped working on my Linea 24. Timer seemed to be clicking the pump into action (I could hear it working) but the pilot light would on come on for 10 seconds after a complete...
  15. B

    Hot water but no central heating???

    Hi folks any help would be appreciated. In my house i have an IDEAL ICOS HE15 and a heatrae sadia megaflo. They controlled via honeywell s plan. At the moment i cant get any central heating but im getting hot water? what is likely to be at fault??? cheers
  16. Hobo128

    ferroli boiler, no central heating.

    Sorry guys this is abit limited but thought I may aswell post it all the same. Was called to a job tonight, no central heating on a Ferroli condensing boiler( not sure of model). After fiddling about with it I managed to get it going. But something isn't right with it.Has anyone had any...
  17. C

    Hot water but no central heating Ideal Logic 24

    Ideal Logic 24 boiler. There are 3 circuits, hot water, under floor heating, radiators. When the hot water calls for heat the boiler fires up fine and water heats up. When either or both of the central heating systems calls for heat the boiler errors with error code Fd, no water flow...
  18. P

    No central heating after Worcester 24i Junior service

    I had my combi boiler serviced in June. I had to call the engineer back the next day because he left me without hot water. He came and fiddled for two minutes with something under the base of the boiler - and my hot water was restored. Now with the cold weather approaching I've just tried...
  19. J

    worcester junior 24 no central heating

    Morning guys hoping for some advice on a problem I've got with a Worcester junior 24 had the heating off whilst we've had great weather got hot water perfect turn the tap straight away, however turned the heating on via the thermostat unit clicks the boiler goes through the usual noises the fan...
  20. G

    Alpha CD25X - No central heating

    Hi, I had an Alpha CD25X installed at home nearly 3 years ago but last week it ceased to provide central heating although the hot water is working fine. The pressure on the gauge is fine, there are no error lights but even if I turn the CH temperature up to max and turn up the thermostat the CH...
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