ALEKO Internal Wood-Burning Hot Tub Heater Equivalent 10-15kW Electronic Heater. Features: Consumes zero electricity and gas Does not require pumps, wiring or filtration systems to operate A great addition to your backyard or vacation rental hot tub Can even pair with your hot tub and enjoy off the grid Internal heater design is more efficient than an external heater of the same size Internal heater is also a safer option for families with kids, as the stove is fully enclosed The furnace cover can be easily removed to access your stove Stainless steel stove and chimney are rust and corrosion resistant Chimney has iron anti-scald cover for safety Technical Specs: Stove Material: 304 Stainless Steel Chimney Material: 304 Stainless Steel with Iron Cover Connecting Pipe Material: High-Temperature Silicone Dimensions: 26.1L x 13.1W x 98.4H in. Heating Output: Equivalent to 10-15 kW Electric Heater Assembly Required: Yes. (1) Stove; (1) Chimney (3 separate pieces). Description: ALEKO wood-burning hot tub heater consumes zero electricity and gas, and does not require any pumps, wiring or a filtration system to operate. Enjoy using your hot tub as often as you would like without racking up those electric bills. Whether you are looking for a more cost-effective hot tub solution for your home or want to enjoy soaking in your tub off the grid, this wood stove and chimney kit is the perfect addition to your wooden hot tub. The internal hot tub design sits directly inside your wooden hot tub, which helps heat the water faster and more efficiently than an external heater. When more firewood is needed, simply remove the furnace cover to access your stove. ALEKO wood-burning heater is made from stainless steel to prevent rust and corrosion. An iron anti-scald cover is attached to the chimney for safety. We do our best to process your order as soon as possible. Location: We are located in the state of Washington. We process 80% of our sales online. Local pick-up is welcome.