Gas heater with alarm system

Heating – Having condition responsive control

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Details

431 76, 126112, 340632, F27B 126, F23N 500, G08B 1710, F24H 300

Patent

active

058070982

ABSTRACT:
A heater including a housing, a heating assembly having a burner, and at least one of an oxygen level detection assembly adapted to distinguish between a relatively normal oxygen level, a relatively low oxygen level and relatively unsafe oxygen, a carbon monoxide sensor and a combustible gas sensor. The heater may also include an indicator adapted to produce at least one of an audible indication and a visible indication in response to a detection of a relatively low oxygen level, a detection of a predetermined level of carbon monoxide, or a detection of combustible gas.

REFERENCES:
patent: 4032286 (1977-06-01), Kobayashi et al.
patent: 4406613 (1983-09-01), Naito et al.
patent: 4794908 (1989-01-01), Hall
patent: 4893113 (1990-01-01), Park et al.
patent: 5276434 (1994-01-01), Brooks et al.
patent: 5470018 (1995-11-01), Smith

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