Elevating base for gas-fired water heater
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United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
N/A
app pub date -
Sep 26, 2002
filing date -
Aug 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A base for rendering a gas-fired water heater, having a lower combustion chamber, explosion-proof, is described. The base has elevating supports which are provided with securement means in an upper portion thereof for securing same to a bottom end of a gas water heater housing whereby to support the gas water heater elevated from a floor surface. One or more vapour detectors are associated with the base to detect the presence of combustible vapours. The vapour detectors are connected to a switch to shut off a gas burner and pilot in the combustion chamber before the combustible vapours reach the flame of the gas burner and/or pilot through combustion chamber air supply passages in a lower end of the gas water heater housing. The temperature in the chamber is lower than the temperature of ignition of gas vapour.
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