Automatic control system for water heaters

Details Automatic control system for water heaters Automatic control system for water heaters

1985-03-28

1986-08-26

Scott, Samuel

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

137334, 137560, F24H 100

Patent

active

046076158

ABSTRACT:
A system for isolating a pressurized water source from a pressurized hot water tank when a leak or rupture occurs to the tank. The system includes a connecting line attached between a check valve and a control valve with a diaphragm attached to the control valve body to sense the pressure differential between the water source and the connecting line. Upon a leak or a rupture occurring, the diaphragm completely closes the control valve. The check valve does not allow the hot water from the water heater tank to enter the domestic system when a leak or rupture occurs. The system further allowing cold water to enter the tank when a predetermined temperature is reached or exceeded. The system further allowing for make up of water volume loss in the tank during a cooling cycle.

REFERENCES:
patent: 1876938 (1932-09-01), Horne
patent: 2283513 (1942-05-01), Smith
patent: 3413969 (1968-12-01), Whittell
patent: 3754563 (1973-08-01), Boals

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