4470-00-143-9546 IMPELLER ASSEMBLY Index 4520-00-143-9550 HEATER,WATER,GAS

National Stock Number:
4520-00-143-9548

Federal Supply Class:
4520

National Item Identification Number:
001439548

Description:
HEATER,WATER,GAS

Detail:
A UNIT SPECIFICALLY DESIGNED FOR HEATING WATER BY A DIRECT FIRED METHOD, UTILIZING A GAS FUEL BURNED IN A COMBUSTION CHAMBER INCLOSED WITHIN ITSELF. MAY BE INCORPORATED WITH A TANK AS AN INTEGRAL OR AS A SEPARATE UNIT FOR STORAGE OF THE WATER SO HEATED.


Manufacturer Information:
W-H-19681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
SPECIFIC GAS FOR WHICH DESIGNEDNATURAL GAS
HEATING CAPACITY PER HOUR34.000 GALLONS
TEMP RISE PER HOUR100.0 DEG FAHRENHEIT
MOUNTING POSITION VERTICAL
TANK CAPACITY50.0 GALLONS
MATERIALSTEEL
OUTSIDE SURFACE TREATMENTENAMELED
INSIDE SURFACE TREATMENTGLASS, FUSED
OPERATING CONTROL METHODAUTOMATIC
MAXIMUM OPERATING PRESSURE127.5 POUNDS PER SQUARE INCH
WATER INLET CONNECTION QUANTITY1
WATER INLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-14 NPT
GAS CONNECTION QUANTITY1
GAS CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2 -14 NPT
FLUE PIPE SIZE3.000 INCHES NOMINAL
INSULATED FEATUREINCLUDED
SPECIAL FEATURESW/O FLUE PIPE AND REPAIR PARTS AND MAINTENANCE NOT REQUIRED AND SINGLE COATED GLASS LINING SHALL BE 0.006 TO 0.015 IN. THK. AND DIP TUBE SHALL WITHSTAND 230 DEG F TEMP
NONDEFINITIVE SPEC/STD DATA4 TYPE AND
B GRADE
DEPARTURE FROM CITED DESIGNATORRD BY FEAT
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEW-H-196


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