Apparatus for controlling the supply of gas to and heat from unv

Details Apparatus for controlling the supply of gas to and heat from unv Apparatus for controlling the supply of gas to and heat from unv

1996-01-22

1997-10-07

Dority, Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

Sensor of first burner controls second burner, e.g., pilot...

431 53, 126512, F23Q 908

Patent

active

056740654

ABSTRACT:
This invention relates to the operation of unvented gas fired appliances and enhances the safety of effectively controlling the flow of gases to an unvented gas heater, such as gas fired fireplace logs, while enabling a thermostat to control the temperature of the heated area by combining a thermocouple for safety and a thermopile for operation of the thermostat.

REFERENCES:
patent: 4285662 (1981-08-01), Katchka et al.
patent: 5397233 (1995-03-01), Eavenson et al.

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