Regency wood fired hot tub?

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MagdalenaP

Burning Hunk
Nov 10, 2018
239
Tilbury, ON
Came across this:

I have a regency wood stove that is useless, warped a bit I think. Could I not somehow run the copper tubes in it, and heat the water?
Is it really that simple as the video? Don't need any pump to get the water to circulate?
 
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...I couldn't resist...LOL
 
There is a snowmobile cabin in the area that has a wood heated hot tub. It actually uses 2 heaters, one outside with a coil inside circulated by a pump and the second submerged in the tub with a top entry hatch to add wood.

The problem is with adding a coil is you effectively turn it into a boiler, if the valves in and out of the stove coil were shut while full of water with the stove going you have just created a bomb. I'm not saying I wouldn't do it, in fact if I had time I'd build such a hot tub, you just need to be aware of the risks.

But I like the submerged idea too, no pumps to play around with and less chance of making a steam bomb.