How Do You Heat a Tub Without Electricity or a Pump?
You don’t need a pump or any electricity to heat a wood fired hot tub. Here’s how thermosiphon circulation works, why it stalls, and how to install a coil that keeps water moving on heat alone.
You don’t need a pump or any electricity to heat a wood fired hot tub. Here’s how thermosiphon circulation works, why it stalls, and how to install a coil that keeps water moving on heat alone.