Drain valve for a water heater

A drain valve for a hot water heater includes a hollow tubular portion having a tapered first end with an externally threaded neck extending therefrom. The tubular portion includes a pair of diametrically opposed internally threaded ports each having a plug received therein. Either plug may be remov...

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Bibliographische Detailangaben
Hauptverfasser:	HICKMAN, GARY
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING RANGES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A drain valve for a hot water heater includes a hollow tubular portion having a tapered first end with an externally threaded neck extending therefrom. The tubular portion includes a pair of diametrically opposed internally threaded ports each having a plug received therein. Either plug may be removed allowing a hot water recirculation line to be conveniently attached to the valve. The opposing end of the tubular portion includes a downwardly depending nozzle having a valve means therein operable with an externally mounted handle. The nozzle includes an externally threaded circumferential rim to which a drain conduit may be coupled for conveniently draining the water heater. Accordingly, the threaded neck may be coupled with a tap on a conventional hot water heater allowing a recirculation line to be conveniently added at a later date with minimal reconstruction of the existing piping.