Quote:
Then, if something happens to my regular stove I've got a back-up


Why not just get a good reliable expedition grade multifuel stove, which is field servicable.


Primus Optimus 111 Hiker. (One of these was found in Anarctica in an abandoned hut. Apparently it fired up no problem after 80 years.)


Primus Himalaya Omnifuel.
or


MSR XGK Expedition.