Primary control means for furnaces

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor

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337 72, F23N 508

Patent

active

039307832

ABSTRACT:
Primary control means for furnaces and the like including burner control means, means including solid state means effective to control said burner control means in response to a flame detector signal, bimetallic safety switch means, and means for interfacing between an isolated low voltage control circuit and said burner control means.

REFERENCES:
patent: 3610789 (1971-10-01), Jones
patent: 3627458 (1971-12-01), Wade
patent: 3701137 (1972-10-01), Hulsman

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