Patent ID: 8297525

Claim:
A digital control system for a tankless water heater assembly designed to heat a continuous supply of water, comprising: A) display means capable of displaying at least three display modes, said at least three display modes comprise a first display mode, a second display mode, and a third display mode, said first display mode displays a power setting in the form of a bar graph, and real-time voltage used and efficiency in percentage form, said second display mode displays kilowatt usage and percentage draw, said second display mode is defined as a generator mode because a generator unit displays actual kilowatts a tankless water heater assembly is using, while in said second display mode, a user can manually adjust kilowatts to be used, and said third display mode displays amperage draw and actual power usage in percentage form; B) a housing assembly; C) a plumbing assembly comprising at least a cold-water inlet and a hot-water outlet; D) a heating system comprising at least first and second heating units that house first and second heating elements respectively, said at least first and second heating units each having a top end and a bottom end, said first and second heating units are connected to each other by at least one bypass and at least one pipe, said at least one bypass positioned at or below said top ends and said at least one pipe positioned below said at least one bypass, said at least one bypass, said at least a cold-water inlet and said hot-water outlet are all on a same axis; and E) an electrical system.