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LPG bottle gas flow problems .......

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Post Options Post Options   Likes (0) Likes(0)   Quote Steps Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 2020 at 10:33am
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Titanium
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My 45kg bottles are replaced via my supplier only when I request a replacement. I often find the changeover valve has operated during cooler months when the sun doesn't hit the tanks there is product left in the cylinder. My solution is to wait until spring/summer to get the last out of the tank. Helps that I live alone and don't have too many house guests over winter. 1 x 45kg lpg tank usually lasts between 6-8 months.

We found a similar issue..Our tanks are on the sth side of the house ,always fully shaded.
After a bit of messing around, found that only turning the tank in use. ( in effect Turn off the auto turn to full tank valve). And turn on the full tank when hot water doesnt heat or the hob doesnt light.. bit of a nuisance if in the shower, but usually happens other times. And if in the shower only maybe once a yr..
Now each tank gets fully MT and at least an extra 1 or 2 weeks out of a tank.

It you ask your suppliers, or the truck driver, they will put a tag on your installation that says the tanks must be turned off as above.

From memory the regulations on transporting tanks 25kg and above must be carried vertically in a cage and may need approval/ certification to do so.
Exception is automotive tanks that require certified anchoring and ventilation.
 
We looked into rent or owning lpg tanks.. bottom line even thu the min bottle renal is 2 bottles, and seems expensive, the inconvenience of disconnecting, loading to take for refill, the cost of the refill gas, then home, manhandle into place is just not worth the time the money or effort.

Side note here on cost lpg.
 If you turn over your tanks quick, your cost of lpg per tank is significantly lower than if turn them over  a longer time.
 The cost of your lpg is the cost of the gas inside plus the cost of the time you rent the tank ...more time your total cost of a tank goes up.
 Therefore it maybe more prudent to swap a bottle 2x 9kg tanks every month Wink

Another side note: putting in solar panals and have A rinnai on demand hot water. with solar panels the aim is to use and not return to the grid , as much power as possible. A battery will cost another 17K
 You can store energy (what a battery does) by putting in say a 100 or 180L hot water cylinder ( a way to store energy) with a 2000w element. And excess kw can go to the HWC before going to the grid. If temp is below 65 deg it means the rinni unit gets pre heated water and uses less lpg.
 Which then means (above) even a 4 person household on lpg hot water and hob can easy go to 9kg bottles.

Anyone got a good 2nd hand 180L hwc they dont want?
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Post Options Post Options   Likes (0) Likes(0)   Quote Dagwood Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 2020 at 11:48am
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Originally posted by Steps Steps wrote:

 Therefore it maybe more prudent to swap a bottle 2x 9kg tanks every month Wink  

Will a 9kg bottle be capable of supplying the flow needed for a califont and hob?
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Post Options Post Options   Likes (0) Likes(0)   Quote Big -Dave Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 2020 at 2:26pm
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I used a 9kg bottle when my 45 ran out.
Ran the Califont fine.
It takes me over a year to use a 45kg bottle.
you can't fix an idiot with duct tape, but it does muffle them for a while...
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Post Options Post Options   Likes (0) Likes(0)   Quote Steps Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 2020 at 4:00pm
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Titanium
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Will a 9kg bottle be capable of supplying the flow needed for a califont and hob?

I assume you mean the amount of lpg used, in a period of time, drops the internal temp of the 9kg gas bottle, which results in a dramatic pressure to the supply?

I brought this up with a concern with family a while back...
They had asked around others . and no issues.

 As per Dave
My daughter husband and 4 boys , hob and califont is fine unless once in a while after sat morning sports or camping holiday  the showers, and stoves are going hard out.. extreme loading and length time.

 Son wife and 2 children no issues.
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Post Options Post Options   Likes (0) Likes(0)   Quote Catchelot Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jul 2020 at 9:02am
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Looks like Bazza adjusted the gas jet a wee bit much! LOL


"The sea, once it casts its spell, holds one in its net of wonder forever." - Jacques Cousteau
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Post Options Post Options   Likes (0) Likes(0)   Quote bazza Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jul 2020 at 11:33am
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Originally posted by Catchelot Catchelot wrote:

Looks like Bazza adjusted the gas jet a wee bit much! LOL
Not guilty .... am surprised Al that you don't remember having farted at your family bbq !

Am enjoying retirement so much that would not go back to work even if they paid me !
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Post Options Post Options   Likes (0) Likes(0)   Quote Dept Of Fishing Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 2020 at 9:35am
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Hi everyone, new member to the forums here.
I use a small screw on camping stove at times and when I recently bought a new gas canister for itI noticed that it had a different mix than the previous one I had.  One is 25% propane and 75% butane, the other is 20% propane and 80% butane.  Is there any advantage in a higher butane %age?  I got one from Bunnings and I think the other one was from Mitre10.
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Post Options Post Options   Likes (0) Likes(0)   Quote Steps Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 2020 at 9:43am
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Titanium
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The more propane the hotter the flame...or more BTU (energy) per kg.

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Post Options Post Options   Likes (0) Likes(0)   Quote Dept Of Fishing Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 2020 at 10:46am
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Thanks for that.  I will have to look at this next time I need to get another canister (an compare the price too)
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