System for increasing heating efficiency

Automatic temperature and humidity regulation – Miscellaneous – Burner controls with automatic cutoff

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Details

431 20, 126285B, 98 48, F23N 300, G05D 2300, F23L 1100, F23J 1300

Patent

active

042457793

ABSTRACT:
A conventional forced air furnace is provided with a source of outside air for use in combustion. The amount of outside air admitted to the furnace and the amount of heated air lost through the chimney are regulated by simultaneously operable dampers synchronized with the operation of the furnace. Alternate power circuits and an alarm system for the dampers are provided.

REFERENCES:
patent: 2877834 (1959-03-01), Campbell
patent: 3906925 (1975-09-01), Dyer

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