GB435120A - Improved domestic hot water system - Google Patents

Abstract

435,120. Heating water; hot-closets. CORNES & HAIGHTON, Ltd., and CORNES, J., 240, High Holborn, London. March 15, 1934, No. 8176. [Classes 34 (i) and 64 (i)] In a domestic hot water system comprising a lower hot water tank C, an upper cold water tank A and a hot air chamber B be. tween them, the cold water tank A is supported by ar extension C<1> of the hot water tank C or of the tank casing. The tubular extension C<1> forms the wall of the airing chamber B and carries near the top a horizontal plate T with a layer R of heat-insulating material, e.g. asbestos with an upwardly extending rim in which a lower extension of the walls of the cold water tank A is seated so as to leave an air space Q between the bottom of the tank A and the asbestos R communicating with the atmosphere by holes S. The tank C has flow and return pipes G, H for connection to an independent boiler or has an electric immersion heater J for alternative use. A channel G<1> guides hot water from the flow pipe to the top of the tank. A pipe D supplying cold water to the lower tank and a hot water outlet O are provided outside or embodied in the'heat insulation K of the lower tank. An expansion pipe E may pass through the upper tank A and be insulated therefrom by a sleeve F in 'the tank. The chamber B has a wooden shelf L and a door B <1>.