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Author Topic: Oil Fired Central Heating Boiler  (Read 6294 times)

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STMO123

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Re: Oil Fired Central Heating Boiler
« Reply #30 on: 05 March 2012, 14:15:06 »
Quote from: Lazydocker on 04 March 2012, 23:56:10
Heating oil quality is, as you say, highly variable ::)

The flue has a fantastic draw. When it fires you hear the air start being pumped through for 5-10 seconds before the fuel is injected and ignited ;)

My mix of fuel is quite variable... Obviously when I get a diesel into petrol I could try to get that into my tank ::)

As you say... Heating oil is getting eye-wateringly expensive now so...

If you stop posting we'll know you tried it and ....... ;D
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albitz

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Re: Oil Fired Central Heating Boiler
« Reply #31 on: 05 March 2012, 14:21:50 »
I might hear the bang from here. ::) ;D ;D
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #32 on: 05 March 2012, 23:16:01 »
Had a busy day today (about 200L of contaminated fuel into storage on the way home tonight :o) so I'll leave this running a little longer for more opinions...

But I'm still here at the moment ;)
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Sir Tigger KC

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Re: Oil Fired Central Heating Boiler
« Reply #33 on: 06 March 2012, 00:41:13 »
Quote from: Vamps on 04 March 2012, 23:36:34
Quote from: TiggerHayes on 04 March 2012, 23:34:21
I'm with Entwood and reckon the petrol content is too high.... BOOOOOOM!!!  :o ;)

I said it first...... :( :( :(

Sorry Vamps!!!  :-[

Dosn't petrol and diesel separate when left to stand for a while??  ??? :-\
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #34 on: 06 March 2012, 05:14:35 »
Quote from: TiggerHayes on 06 March 2012, 00:41:13
Quote from: Vamps on 04 March 2012, 23:36:34
Quote from: TiggerHayes on 04 March 2012, 23:34:21
I'm with Entwood and reckon the petrol content is too high.... BOOOOOOM!!!  :o ;)

I said it first...... :( :( :(

Sorry Vamps!!!  :-[

Dosn't petrol and diesel separate when left to stand for a while??  ??? :-\
Not really. Needs to stand for a very long time ;)
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #35 on: 06 March 2012, 21:11:19 »
No further thoughts on this yet then? ??? ???
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STMO123

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Re: Oil Fired Central Heating Boiler
« Reply #36 on: 06 March 2012, 21:22:21 »
Quote from: Lazydocker on 06 March 2012, 21:11:19
No further thoughts on this yet then? ??? ???
Not really.
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #37 on: 06 March 2012, 21:30:34 »
Quote from: STMO123 on 06 March 2012, 21:22:21
Quote from: Lazydocker on 06 March 2012, 21:11:19
No further thoughts on this yet then? ??? ???
Not really.
Didn't mean you.... I was asking the educated members :-X :P :D
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STMO123

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Re: Oil Fired Central Heating Boiler
« Reply #38 on: 06 March 2012, 21:31:20 »
Quote from: Lazydocker on 06 March 2012, 21:30:34
Quote from: STMO123 on 06 March 2012, 21:22:21
Quote from: Lazydocker on 06 March 2012, 21:11:19
No further thoughts on this yet then? ??? ???
Not really.
Didn't mean you.... I was asking the educated members :-X :P :D

Neither of them are online.
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #39 on: 06 March 2012, 21:33:21 »
Quote from: STMO123 on 06 March 2012, 21:31:20
Quote from: Lazydocker on 06 March 2012, 21:30:34
Quote from: STMO123 on 06 March 2012, 21:22:21
Quote from: Lazydocker on 06 March 2012, 21:11:19
No further thoughts on this yet then? ??? ???
Not really.
Didn't mean you.... I was asking the educated members :-X :P :D

Neither of them are online.

That explains it then ;D ;D
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Lazydocker

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Re: Oil Fired Central Heating Boiler
« Reply #40 on: 08 March 2012, 10:19:35 »
Well, no-one seems to be sure, including some boiler engineers I've spoken to, but here is what I've gleaned from other guys...

One chap has had his boiler running on purely contaminated fuel for the last 6 years :o along with 3 friends' boilers too.

Another guy started, like the first, with a weak mix, then a little more, and so on, until he realised it was now on pure waste fuel.

Another one has it running on pure waste fuel and has done for over a year now.

Another 2 guys have just started to add it into their system.

So far, not a single one of them has needed to make any adjustments or changes to the boiler :y :y

Any more thoughts now?

My thinking is that as Kerosene is thinner than Diesel but thicker than petrol, my mixture is probably of a very similar viscosity. As Kevin has rightly said, Kerosene (or paraffin) are of very poor purity and often contain everything from the thicker oils to Avgas or even Jet-A1 (if it didn't meet the strict requirements), including Derv and petrol, so what have I got to lose? ??? ???
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Kevin Wood

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Re: Oil Fired Central Heating Boiler
« Reply #41 on: 08 March 2012, 10:42:05 »
On a 30 year old boiler.. Not a lot, IMHO.  :)
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Marks DTM Calib

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Re: Oil Fired Central Heating Boiler
« Reply #42 on: 08 March 2012, 10:45:27 »
Lol.....if you had consulted a boiler ENGINEER you might have got a more definate answer......but having probably consulted a gas fitter or a service tech....but you knew that anyway realy  :y

Anyway, for me I cant see why it would not work, the only question would be optimum jet size requried in order to get the best flame and least soot.
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Marks DTM Calib

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Re: Oil Fired Central Heating Boiler
« Reply #43 on: 08 March 2012, 10:50:20 »
A very quick search hints at two different types of burner, one being a pressure jet and the other a vapuriser type (it appears that most modern ones are the former).

Also, if its a pressurised combustion chamber (e.g. a balanced flue or a fanned setup) then there may need to be some further tweaks to the jet to get it optimum
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Marks DTM Calib

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Re: Oil Fired Central Heating Boiler
« Reply #44 on: 08 March 2012, 10:53:31 »
Also, looking a little further, the pressurised jet setups rely on the oil to lube the pump so it might be worth keeping a small percentage of heating oil in there given the poor lube properties of petrol and the 'not nearly as good as it used to be' lube properties of diesel. Should help prolong the component life.

Question is.......how long a stick are you going to use to turn it on for the first time!  ;D ;D ;D ;D
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