Wood Burning Hot Tub Heater External Equivalent 10 15 kW Electronic Heater New. Upgrade your hot tub experience with this eco-friendly wood-burning hot tub heater. Here are the key features and technical specifications. Zero Electricity and Gas: This wood-burning hot tub heater operates without using electricity or gas, offering a cost-effective and sustainable heating solution. No Pumps or Filtration Required: You won’t need pumps, wiring, or filtration systems to use this heater, simplifying your hot tub setup. Off-Grid Enjoyment: Perfect for those seeking an off-grid hot tub experience, this heater allows you to enjoy your wooden hot tub without relying on external power sources. Rust-Resistant: Made from 304 stainless steel, this hot tub heater is rust and corrosion-resistant, ensuring durability and longevity. Safety Features: The chimney includes an iron anti-scald cover for added safety during use. Connecting Pipes Included: This package includes two high-temperature silicone connecting pipes with a 2-3/5-inch outer diameter for installation. Clamps for Secure Fixing: Six clamps are included to secure the stove to your wood-fired hot tub. Stove Material: 304 Stainless Steel. Chimney Material: 304 Stainless Steel with Iron Cover. Connecting Pipe Material: High-Temperature Silicone. Dimensions: 25.53L x 15.8W x 88.2H inches. Connecting Pipe: 2-3/5 in. Heating Output: Equivalent to 10-15 kW Electric Heater. Includes: (1) Stove, (1) Chimney (3 separate pieces), (2) Connecting Pipes, (6) Clamps. This wood-burning hot tub heater offers a sustainable and cost-effective way to heat your hot tub while allowing you to enjoy it off the grid. Its stainless steel construction ensures it will resist rust and corrosion, providing long-lasting performance. Enhance your hot tub experience with this wood stove and chimney kit. If more information needed, do not hesitate to send us a message! We stand by every product we sell. Be sure to save the receipt for your records.