Ukko Saunas & Tubs - CHOFU Wood Spa Heater
Chofu heater is a precision built wood-burning water heater designed specifically for hot tubs or spas.
It circulates water using the principal of thermosiphon (the pumping action created by rising hot water), eliminating the need for a circulating pump or electricity. This unique feature opens up a whole new range of possibilities for alternative hot tubs. Now you can have a basic soaking tub without pumps, chemicals, or high maintenance. With the Chofu heater you can retrofit an existing tub or put together a low-cost soaking tub, using a wooden tub or stock tank.
Operation:
The Chofu operates like a conventional wood stove, achieving its fastest heating rate from dry hardwoods. It uses 40cm wood with an 46cm x 36cm x 36cm firebox. The most efficient heating comes from using 40cm x 4cm x 4cm wood, loaded at 45 min. intervals.
The Chofu has a high and low speed draft control to regulate the heating rate. It operates with the draft wide open for fast heating, and closed down to maintain temperature once the water is hot.
Features:
- High grade stainless steel stove body
- 3mm steel stove front
- Heavy cast iron door and grates
- Hot Tub Connection kit (see photo)
- Generous size firebox, [L]457mm x [W]355mm x [H]254mm
- Vented smoke-outlet for secondary combustion.
- 19mm drain for freeze protection.
- An ash drawer for easy removal of ashes.
- A long handled ash rake
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