Models Garn WHS 1450, 1500, 1900, 2000, 2500, 2500X, 3200 and 3200X Solid Fuel Hydronic Heater
Models 1500, 2000, 2500, 2500X, 3200 and 3200X all have an open cylindrical water tank. A cylindrical fire chamber with a secondary reaction chamber is contained within the tank with the opening at the front of the tank.
Models 1000, 1450 and 1900 have an open angular shaped water tank. A cylindrical fire chamber is contained within the tank with the opening at the front of the tank.