<p>A faucet mixing battery including a casing adapted to be fixed to a surface having hot and cold water outlets; first and second coupling ports carried by the casing, adapted to be coupled respectively to the outlets; a mixing spout extending from the casing; an electric water heating unit located in the casing and having a unit inlet coupled to at least the first coupling port and having a unit outlet coupled to the mixing spout; manual control means mounted on the casing for controlling the flow from the coupling ports to the mixing spout.</p>
