DIY woodstove heat exchanger/

[Rod Paradise]

Quite an interesting instructible & the lucky ones with real workshops might find it useful:

http://www.instructables.com/id/Woodstove-Heat-Exchanger/

I can download a pdf version if someone wants to give it a go.

 

[BJJJ]

Good idea that, thanks for the link. I can feel a project coming on.