IBC Shower tote

[Jared]

Suspect it has a coil inside and top port is the in, and bottom out.

Edit: could not remember the word for it, it's a thermosiphon

NZ variants.

Wood Fired Water Heaters - Spiroloc

Wood Fires & Wood Fired Spa Heaters

spiroloc.co.nz

And big storm kettle/thermettes types

Wood Fired Boilers - Spiroloc

Wood Fires & Wood Fired Spa Heaters

spiroloc.co.nz

 

[Chris]

Honestly I was expecting @Pattree to be the one to mention a giant Kelly Kettle

 

[TeeDee]

Honestly I was expecting @Pattree to be the one to mention a giant Kelly Kettle

I very carefully avoided the 'K' word out of trademark respect