Patent ID: 7020386

Claim:
A water heater for a recreational vehicle comprising, in combination: a tank for holding water to be heated; a heating device to heat water in the tank; an inlet port on the tank; an outlet port on the tank; a cold water supply conduit in fluid communication with the inlet port; a mixing valve having a first inlet port, a second inlet port, and an outlet port, the outlet port on the tank in fluid communication with the first inlet port of the mixing valve, the cold water supply conduit in fluid communication with the second inlet port of the mixing valve, the mixing valve configured to regulate a flow of heated water through the first inlet port of the mixing valve and a flow of cold water through the second inlet port of the mixing valve to output a flow of water at a desired temperature through the outlet port of the mixing valve; and a bypass valve having an inlet in fluid communication with the cold water supply conduit, a first outlet in fluid communication with the inlet port of the tank, and a second outlet.