Water Treatment Devices R - 100 R - 125 R - 150 R - 200 R - 100 Diameter: Weight: Tube connection size: Flow rate: Hardness of water min.: Water temperature max.: 189 mm 11 kg 1 inch 4500 l/h 4 ° d. H. 70 ° C R - 125 Diameter: Weight: Tube connection size : Flow rate : Hardness of water min.: Water temperature max. : 228 mm 18 kg 1 ¼ inch 6600 l/h 4 ° d. H. 70 ° C R - 150 Diameter: Weight: Tube connection size: Flow rate: Hardness of water min.: Water temperature max.: 248 mm 22 kg 1 ½ inch 10200 l/h 4 ° d. H. 70 ° C R - 200 Diameter: Weight: Tube connection size: Flow rate: Hardness of water min.: Water temperature max.: 278 mm 28 kg 2 inch 13600 l/h 4 ° d. H. 70 ° C