Water-air heater for ventilation systems. Copper connections. Housing cover can be removed for maintenance work. With rubber seal on the air connection nozzles. Control/pump group to be taken into account on site. Article: WRH 10-1, Installation position: vertical / horizontal, Housing material: galvanized sheet steel, Weight: 3.45 kg, Weight with packaging: 3.71 kg, Nominal width: 100 mm, Free cross-section: 1012 cm2, Width: 225 mm, Height: 183 mm, Depth: 380 mm, Width with packaging: 265 mm, Height with packaging: 205 mm, Depth with packaging: 381 mm, Air heater type: Water, Heating output: 1300 W, Mass flow: 55 kg/h, Flow temperature: 70 °C, Return temperature: 50 °C, Max. water temperature: 100 °C, Max. water pressure: 6 bar, Water pressure difference: 500 Pa