Method of leak detection in a heat exchanger combustion chamber

Details Method of leak detection in a heat exchanger combustion chamber Method of leak detection in a heat exchanger combustion chamber

1996-03-11

1997-02-04

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

73 492, G01M 304

Patent

active

056000570

ABSTRACT:
A method of detecting leaks in a forced air furnace heat exchanger combustion chamber wall burning a blue color flame of gas includes introducing a fine mist of a liquid fire retardant compound into the return air stream upstream from a blower forcing air across the wall of the combustion chamber. Any change in the blue color of the flame toward an orange color indicates a gas leak through the combustion chamber wall.

REFERENCES:
patent: 5170840 (1992-12-01), Grunwald
patent: 5357782 (1994-10-01), Henry

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