Dual fuel heater

Details Dual fuel heater Dual fuel heater

2011-06-28

2011-06-28

Basichas, Alfred (Department: 3743)

Stoves and furnaces

Hot-air furnaces

Liquid or gaseous fuel

C126S0920AC, C126S11600A, C126S09200C, C431S282000, C431S278000, C431S281000, C431S018000

Reexamination Certificate

active

07967006

ABSTRACT:
A dual fuel heater can couple with one of two fuel sources operating at different pressures. The dual fuel heater can have a first fuel line, a second fuel line, a fluid flow controller, and a combustion chamber. The fluid flow controller can selectively permit flow of a first fuel to either the first fuel line or flow of a second fuel to the second fuel line. The first fuel line can be in communication with a first oxygen depletion sensor orifice and the second fuel line can be in communication with a second oxygen depletion sensor orifice.

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