... C run Applications range: widely used in boiler feed water, hotels, restaurants, air-conditioning heat exchangers, electronic industry ... industries Features Suitable for large residential / light industrial systems five-step regeneration step, anti-washing, and slow ... Valve can be used for hot water systems, time-based water temperature ≤ 180 ° F (82 ), flow-type water temperature ≤ 150 ° F (65 ...