◆ Heat Exchanger：1.8kg/2.0kg（OS-16B）  2.4kg（OS-20B）

◆ Flue type

◆ 0.6mm white coated panel

◆ Solenoid valve: B grade

◆ Heat exchanger: Tin-coated copper

◆ Zero water pressure copper valve

◆ Low water pressure ignition

◆ With summer winter switch

◆ Over heat protection device

◆ Burner: 250 mm, 14 row T-shape

◆ LCD displayer: Optional

Product size: 590*340*140mm

Packing size: 650*380*200mm