Chilipepper On-Demand Hot Water Recirculating Pump with Integrated Remote Operation (CP8000RC2:Code 2) Water Conservation: Recirculates Water Instead of Wasting it Down the Drain! Wireless Remote Operation with 2 codes available; Allows a user to have more than one in their home. On-Demand System: Operates Only When You Want For Use with All Types of Water Heaters Easy Installation: Designed for a Do-It-Yourselfer!