Nipple for hot water tank conduits
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United States of America Patent
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Oct 25, 2005
Grant Date -
N/A
app pub date -
Dec 17, 2003
filing date -
Dec 17, 2003
priority date (Note) -
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Abstract
A nipple for connection to an outer metal casing of a host water heater for coupling a water conduit to an inner casing of the hot water heater is described. The nipple is a hollow tube having opposed threaded end portions. A thermally insulating sleeve is provided about the hollow tube intermediate the opposed threaded end portions. The nipple is adapted for connection in a hole formed in the outer metal casing with the thermally insulating sleeve in contact with a circumferential edge of the hole to insulate the metal casing from the nipple.
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