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Residential Gas Water Heaters
HIGH EFFICIENCY ATMOSPHERIC GAS WATER HEATER
PRESSURIZED COMBUSTION SYSTEM
Exclusive and patented pressurized combustion system, with an advanced air
intake blower, delivers superior efficiency. Much like a turbocharger, the blower
distributes an optimum air-to-gas mixture pushing exhaust gases through the
highly restrictive flue baffle. The end result is the most efficient atmospheric gas
product on the market with a .70 Energy Factor (EF).
INSTALLATION FRIENDLY
■ Allows for easy replacement of standard atmospheric vent heaters
■ Easily connects to existing B-vent
FAN-ASSISTED, CATEGORY 1 APPLIANCE
24V ELECTRONIC CONTROL
■ Tighter differential for more consistent hot water delivery
ELECTRONIC IGNITION
■ The durable hot surface ignitor eliminates pilot relight issues (no standing pilot)
LCD USER INTERFACE
■ Easy-to-read, eye level display. Simple temperature settings and adjustments
■ Service diagnostics are in plain text
POWERED ANODE ROD
■ Non-sacrificial anode does not deplete over time
■ Provides exceptional protection in all water conditions
ENERGY STAR® QUALIFIED
DURABLE TAMPER-RESISTANT BRASS DRAIN VALVE
DYNACLEAN™ DIFFUSER DIP TUBE
■ Helps reduce lime and sediment buildup, maximizes hot water output
■ Made from long-lasting PEX cross-linked polymer
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
CODES AND STANDARDS
■ These models meets the requirements of the BC Energy Efficiency Act
6-YEAR LIMITED TANK AND PARTS WARRANTY
For complete information, consult written warranty or contact
A. O. Smith Water Products Company.
SERIES 100
May 2013
CANRG45000
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Residential Gas Water Heaters
D
FRONT VIEW
1/2”
HIGH EFFICIENCY
FIRST
MODEL
GAHH 40 70 40 .70 40,000 43 2 61-3/4 58 20 13-1/4 8 51-1/2 23-1/4 25 3 or 4 157 √
GAHH 50 81 50 .70 40,000 43 2 60-5/8 57-1/8 22 13-1/4 8 50-1/2 25-1/4 27 3 or 4 171 √
All dimension in inches.
Recovery capacity based on actual performance tests.
Water Connections – 3/4” on all models.
Not available for LP gas (Propane).
Certified for installations up to 5500 ft. elevations.
Maximum hydrostatic working pressure: 150 PSI
HOUR
RATING
GALLONS
GALLON
CAPACITY
ENERGY
FACTOR
BTU
INPUT
PER
HOUR
RECOVERY
AT 90° F
RISE
FOAM
THICKNESS
(INCHES)
A B C D E F G H
DIMENSIONS IN INCHES
DRAFT
HOOD
OUTLET
SHIPPING
WEIGHT
LB
DRAFT HOOD
T&P VALV E
C
BC
COMPLIANT
A
B
D
GAS VALV E
ON/OFF SWITCH
DRAIN VALV E
F
G
H
HOT
CONNECTION
E
ANODE RO
COLD
CONNECTION
TOP VIEW
Flammable Vapour Ignition Resistant Water Heaters
This A. O. Smith FVIR design meets the American National Standards Institute standards (ANSI Z21.10.1 - 4.1 CSA Standards) that deal with the
accidental or unintended ignition of flammable vapours outside the water heater, such as those emitted by gasoline.
For Technical Information, call 1-888-479-8324. A. O. Smith reserves the right to make product changes or improvements without prior notice.
May 2013
www.hotwatercanada.ca
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CANRG45000
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