25,4 mm Warmwasserbereiter Fireguard Coil & 2 m Schlauch: Whirlpool, Lagertank, Fass hergestellt in Großbritannien

The fireguard Then build a fire within the coil and allow the hot tub water to heat. Stainless steel heater coil with welded stainless steel smoke guard and 2 x 200 cm of heat-resistant hose - great for heating your hot tub without electricity.

eBay