Temp Posted March 9, 2021 Share Posted March 9, 2021 Do loft/roof vents count as "openings into a building"? The calor guide says no openings into a building within 2m. 1 Link to comment Share on other sites More sharing options...
Russell griffiths Posted March 9, 2021 Share Posted March 9, 2021 I personally think he’s talking rubbish, but I like to know some facts before I tell someone they are. I cannot find anything about a combustible surface, he’s probably mixing things up with flues from boilers and other regs. Like daves problem previously i could I could solve it with smaller bottles. How could i work out how long a 19kg cylinder would last running just a gas hob. Link to comment Share on other sites More sharing options...
joe90 Posted March 9, 2021 Share Posted March 9, 2021 I run my range hob on 19kg bottles and they last forever ( I just can’t remember when I last had bottles delivered). Just been to look and one is empty ready fir changeover and the other nearly full!!,? I do have a spare (left over from the caravan days) so will wait till two need changing before arranging full ones. 1 Link to comment Share on other sites More sharing options...
Temp Posted March 9, 2021 Share Posted March 9, 2021 I considered switching from 47kg to 19kg cylinders but someone pointed out that smaller cylinders may not deliver the flow rate of gas required if your stove has a lot of rings. Link to comment Share on other sites More sharing options...
Mr Punter Posted March 9, 2021 Share Posted March 9, 2021 10 minutes ago, Temp said: I considered switching from 47kg to 19kg cylinders but someone pointed out that smaller cylinders may not deliver the flow rate of gas required if your stove has a lot of rings. I once had LPG heating with gas bottles with 4 x 47kg set up with a changeover valve, so 2 were on at any one time. I guess you could do the same with 19kg ones and the flow rate would be better than one at a time. Link to comment Share on other sites More sharing options...
Nickfromwales Posted March 10, 2021 Share Posted March 10, 2021 3 hours ago, Temp said: I considered switching from 47kg to 19kg cylinders but someone pointed out that smaller cylinders may not deliver the flow rate of gas required if your stove has a lot of rings. I thought that was to do with the regulators not the size of the bottles? X amount of mbar pressure is the same across any size of storage afaik. Primary pressure is what is stored in the bottles, and working pressure in mbar is what is delivered in a controlled and regulated way, by the regulator. The changeover arrangements work at a set low pressure level before activating and changing from the spent bottle to the full, so @Temp I’d say that’s a bum steer you’ve been given. Link to comment Share on other sites More sharing options...
Nickfromwales Posted March 10, 2021 Share Posted March 10, 2021 Get some track pipe and put the bottles around the back of the outbuilding? As soon as you’re away from a habitable dwelling you can do pretty much as you please. Link to comment Share on other sites More sharing options...
joe90 Posted March 10, 2021 Share Posted March 10, 2021 8 hours ago, Temp said: I considered switching from 47kg to 19kg cylinders but someone pointed out that smaller cylinders may not deliver the flow rate of gas required if your stove has a lot of rings. rubbish, we have a range cooker and 19kg bottles, no flow problems at all!!,! 1 Link to comment Share on other sites More sharing options...
recoveringbuilder Posted March 10, 2021 Share Posted March 10, 2021 36 minutes ago, joe90 said: rubbish, we have a range cooker and 19kg bottles, no flow problems at all!!,! Also have an 8 burner range and I run it off 13kg bottles, I get 10-12months usage from one bottle! 1 Link to comment Share on other sites More sharing options...
dpmiller Posted March 10, 2021 Share Posted March 10, 2021 regulator size is one issue, but flow rate at low temps with Butane is a known problem. Not so much Butane used any more tho... Link to comment Share on other sites More sharing options...
ProDave Posted March 10, 2021 Author Share Posted March 10, 2021 28 minutes ago, dpmiller said: regulator size is one issue, but flow rate at low temps with Butane is a known problem. Not so much Butane used any more tho... Butane will not off gas much below 0 degrees C so would be pretty useless up here. It has to be Propane for outdoor cylinders. Leave Butane for summer caravanning, though I still see no reason to use it and i had propane for my touring caravan. Link to comment Share on other sites More sharing options...
dpmiller Posted March 10, 2021 Share Posted March 10, 2021 Yellow Calor butane cylinders are still very popular round these parts Link to comment Share on other sites More sharing options...
joe90 Posted March 10, 2021 Share Posted March 10, 2021 Is it still the case of no VAT on propane? Link to comment Share on other sites More sharing options...
ProDave Posted April 15, 2021 Author Share Posted April 15, 2021 Re visiting this as I am working on the sun room. The CAT FLAP. The above pictures say there must be 1M horizontally from a cylinder to an air brick, flue terminal or air intake. I assume the same 1M would apply to a cat flap? Link to comment Share on other sites More sharing options...
Jilly Posted January 26, 2022 Share Posted January 26, 2022 I need to store my 47kg propane cylinders over acodrains along a wall (which lead surface water away from the house. From reading the 'Cylinder Storage info' above this is ok if I cover them and make them water tight for 2m in both directions (as I read it)? Any suggestions on how to do that? Could I fill them with gravel so water could still drain or do they make water proof/air tight covers? Link to comment Share on other sites More sharing options...
Jilly Posted January 26, 2022 Share Posted January 26, 2022 On 09/03/2021 at 16:14, Russell griffiths said: How could i work out how long a 19kg cylinder would last running just a gas hob. We had one at our last house for the hob only, and it lasted for absolutely ages, years, I think. Link to comment Share on other sites More sharing options...
epsilonGreedy Posted January 26, 2022 Share Posted January 26, 2022 14 minutes ago, Jilly said: We had one at our last house for the hob only, and it lasted for absolutely ages, years, I think. 6 months or more would be my guess. Link to comment Share on other sites More sharing options...
ProDave Posted January 26, 2022 Author Share Posted January 26, 2022 16 minutes ago, Jilly said: I need to store my 47kg propane cylinders over acodrains along a wall (which lead surface water away from the house. From reading the 'Cylinder Storage info' above this is ok if I cover them and make them water tight for 2m in both directions (as I read it)? Any suggestions on how to do that? Could I fill them with gravel so water could still drain or do they make water proof/air tight covers? Lift out the slotted drain cover under the cylinders and 2M either side and replace with something solid, even treated timber, sealed as you insert it, should do. e.g. I would start by looking at decking planks and see how close they are to the required width and could they be planed or sawn to the correct width to drop in? 1 Link to comment Share on other sites More sharing options...
ProDave Posted January 26, 2022 Author Share Posted January 26, 2022 P.S for anyone reading this thread, this was my completed wall complete with cylinders, and building control had no issues at the completion inspection: 1 Link to comment Share on other sites More sharing options...
epsilonGreedy Posted January 26, 2022 Share Posted January 26, 2022 On 10/03/2021 at 07:22, joe90 said: rubbish, we have a range cooker and 19kg bottles, no flow problems at all!!,! I think they have a similar tank cross section to a full sized 47kg tank and hence the same surface cross section where evaporation can occur. All tanks need to absorb heat to drive the evaporation process so in theory during high demand in very cold weather there could be a problem with a smaller tank that has less metal exposed to soak up heat. Link to comment Share on other sites More sharing options...
Jilly Posted January 26, 2022 Share Posted January 26, 2022 7 minutes ago, ProDave said: Lift out the slotted drain cover under the cylinders and 2M either side and replace with something solid, even treated timber, sealed as you insert it, should do. e.g. I would start by looking at decking planks and see how close they are to the required width and could they be planed or sawn to the correct width to drop in? But I'm worried I'll fail my surface water drainage tests.... Link to comment Share on other sites More sharing options...
ToughButterCup Posted January 26, 2022 Share Posted January 26, 2022 3 minutes ago, Jilly said: But I'm worried I'll fail my surface water drainage tests.... Written in jest, I hope ... On the other hand, if not, ?, duct one or more of your drainpipes into a rain garden .... that'll more than cope with the problem. Link to comment Share on other sites More sharing options...
ProDave Posted January 26, 2022 Author Share Posted January 26, 2022 7 minutes ago, Jilly said: But I'm worried I'll fail my surface water drainage tests.... If rainwater started to pool on the solid cover, it would soon run along one way or the other to a slotted part of the drain and drain away. Who will be doing these surface water drain tests? I have never heard of that before. Link to comment Share on other sites More sharing options...
Jilly Posted January 26, 2022 Share Posted January 26, 2022 8 hours ago, ProDave said: Who will be doing these surface water drain tests? I have never heard of that before. Sorry, I just meant the SuDS stuff Link to comment Share on other sites More sharing options...
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