Wood Burning Heater Coil Kit for DIY Hot Tub – Passive Circulation Fire Water Heat Exchanger

Wood Burning Heater Coil Kit for DIY Hot Tub – Passive Circulation Heat Exchanger

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Wood Burning Heater Coil Kit for DIY Hot Tub– Passive Circulation Fire Water Heat Exchanger Coil

$328.00 Free shipping

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SKU: SC26070413 Category: Wood Fired Hot Tub Component Heating Coils Tag: Remove fridge vibration Brand: Smartclima

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This Wood Burning Hot Tub Heater Coil Kit is a passive circulation heat exchanger coil for DIY wood-fired hot tubs. No electric pump needed — it uses natural thermal convection to circulate and heat tub water. Made of high heat-conducting tubing, this DIY wood fired tub coil works with wood stoves for off-grid yards, cabins and camping. Easy to assemble to build your own fuel-powered hot tub heating system without grid electricity.

Wood Burning Heater Coil Kit For DIY Hot Tub – Model A3

Manufacturer	Smartclima Co.,Ltd.
Brand	Smartclima
Primary Material	Food-grade Seamless Stainless Steel
Product Type	Wood-fired off-grid hot tub water heating coil kit
Coil Dimensions	Tubing diameter 25mm, coil outer diameter 35cm, coil height 30cm (±1–3cm tolerance), 8 spiral circles
Included Components	1× Food-grade 304 stainless steel heating coil 2× Fire-resistant silicone hoses (Long 100cm) 1× Stainless steel stop valve (prevents overheating) 6× Ergonomic stainless steel hose clamps (no tools needed) 2× Universal tub fittings (fits 1mm-50mm walls) all-in-one storage bag (Optional)
Power Source	Wood combustion (zero electricity required)
Selling Point Focus	Backyard DIY installation, no power supply needed, full accessory bundle