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POWER DIRECT-VENT
FIRST
MODEL
HOUR
ENERGY
NUMBER
RATING
FACTOR
GALLONS
GPD-40
70
.60
GPD-50
87
.59
GPDX-50
105
.58
GPD-75
130
.58
GPDX-50 is supplied with 5' of 3" ABS vent pipe and must be used for the first 5' of the exhaust outlet vent system.
GPD-75 is supplied with 5' of 3" CPVC vent pipe and must be used for the first 5' of the exhaust outlet vent system.
Recovery capacity based on actual performance tests.
Water connections, 3/4" on all models.
Propane inputs/recoveries: GPD-40: 36,000BTU/37GPH
GPD-50: 38,000BTU/39GPH
GPDX-50: 60,000BTU/59GPH
GPD-75: 65,000BTU/67GPH
*R Value shown is "performance rated."
IMPORTANT: VENTING AND COMBUSTION AIR REQUIREMENTS
Read and follow requirements shown in the Installation Manual for ProMax
Power Direct-Vent Gas water heaters dealing with type, placement and length
of vent pipe and vent termination, as well as clearances required to provide
adequate combustion and proper ventilation.
IMPORTANT:
SEE INSTALLATION MANUAL FOR COMBUSTION AIR AND VENTING
SYSTEM REQUIREMENTS FOR POWER DIRECT-VENT WATER
HEATERS
OPTIONAL (DELUXE) ROUND HORIZONTAL
VENT TERMINATION KIT
Part Number 9002749005
OPTIONAL (DELUXE) SQUARE HORIZONTAL
VENT TERMINATION KIT
Part Number 9003328005
For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
September
2010R
www.hotwater.com
®
CLOSED COMBUSTION
BTU
RECOVERY
GAL.
INPUT
90ºF RISE
CAP.
PER HOUR
GALLONS
VALUE*
NATURAL
†
PER HOUR
40
40,000
41
50
40,000
41
50
65,000
64
75
70,000
72
Residential Gas Water Heaters
DIMENSIONS IN INCHES
R
A
B
C
16
57
48-1/2
21
16
66
57-1/2
21
16
69-1/2
61
21
16
71-1/2 61-1/2 26-1/4 15-1/2
®
BLOWER
D
E
F
OUTLET
15
8
42
3
15
8
51
3
15
8
54-1/2
3
8
54-3/4
3
11.5" MIN.
FROM TOP OF
HEATER TO
CENTER LINE
OF FLUE
1/2" GAS
CONNECTION
Maximum hydrostatic working pressure: 150 psi
APPROX.
SHIPPING
WEIGHT
(LBS)
224
232
232
300
3" VENT
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