IanAud Posted August 23, 2017 Share Posted August 23, 2017 I have a Truma auto changeover regulator off my previous van. I will at some point fit it to my new van. As I have at present a Calor 6kg propane bottle and a Calor 7kg butane bottle would it be OK to have both bottles connected to the changeover regulator at the same time? I am switching over to propane from butane as we use the van in winter. I have a good 3rd of a bottle of butane left and would like to simply fit the changeover regulator connect both bottles and when the butane runs out (and switches to the full propane bottle) exchange it for a 6kg propane bottle. I already have the appropriate pig tails (2x propane and 2x butane). Is there any technical / safety issue in doing this auto switch from one gas to the other whilst an appliance is running and consuming gas? Quote Link to post Share on other sites
Ern Posted August 23, 2017 Share Posted August 23, 2017 No. The regulator will never know. Quote Ern Link to post Share on other sites
gravon42 Posted August 23, 2017 Share Posted August 23, 2017 Correct - no problem. Quote 2011 Land Rover Freelander 2, Lago grey 2013 Freelander Dynamic Black, followed by a 2013 Elddis 574 Magnum GT white Link to post Share on other sites
IanAud Posted August 23, 2017 Author Share Posted August 23, 2017 Thanks for the replies. I thought this would be the case but thought I'd check just in case there was some weird potential for trouble, as the gas switches from one to the other, at the appliance burning the gas. Quote Link to post Share on other sites
CommanderDave Posted August 26, 2017 Share Posted August 26, 2017 No problem but is it worth buying a butane hose for a few kg of gas if you are changing to propane ? Quote Jeep Commander 3. 0 V6 CRD Isuzu D- Max Utah Auto Elddis Crusader Storm 2000 Kgs, Unipart Royal Atlas Mover . Link to post Share on other sites
Easy T Posted August 26, 2017 Share Posted August 26, 2017 He already has two of each pig tails Quote Alan 2005 Nissan X-trail 4WD diesel and Swift Charisma 540 2012 Lunar Clubman ES 2018 Lunar Clubman ES Link to post Share on other sites
mw3230 Posted August 27, 2017 Share Posted August 27, 2017 (edited) Forgive the daft question. If you have two bottles connected, and the device automatically changes from an empty to a full one, does this mean that you could end up with both bottles empty . ... or is there an indication as to the levels in the bottles to prevent you arriving at the situation where all the gas is used Edited August 27, 2017 by mw3230 1 Quote Link to post Share on other sites
Black Grouse Posted August 27, 2017 Share Posted August 27, 2017 Yes it could mean that - a visual check shows which cylinder is in use so just check regularly. Quote 2015 VW Touareg 3. 0 V6 TDI + 2013 Lunar Clubman ES Link to post Share on other sites
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