Residential Gas Water Heaters
VERTEXTM 96% THERMAL EFFICIENCY
CONTINUOUS HOT WATER
VERSATILE POWER DIRECT VENT
GDHE-50
Today’s homes demand more hot water than ever before, and the 96% efficient
Vertex power direct vent gas water heater offers unprecedented levels of
performance to meet the need. The 50-gallon Vertex delivers hot water output
that exceeds a 75-gallon atmospheric gas water heater. In fact, the fully
condensing Vertex design is so advanced, it can deliver “continuous hot water for
shower after shower” ... a constant flow of over 4 gallons per minute.* Yet Vertex
is easy to install, with height, diameter and installation requirements similar to
standard power direct vent units.
HELICAL INTERNAL HEAT EXCHANGER
■ Spiral heat exchanger keeps hot combustion gases in the tank longer to ■
■
lengthen the heat transfer cycle
Positioned in the center of the tank for more even heat distribution
Operates at 96% thermal efficiency, which saves money on operating costs compared to a standard 78% efficient gas water heater
POWER DIRECT VENT DESIGN
■ Installations require ULC s636 approved PVC or CPVC pipe for venting
■ Can be vented vertically thru-the-roof or horizontally thru-the-wall
■ 2” pipe, vents up to 45 equivalent feet
■ 3” pipe, vents up to 128 equivalent feet
■ Optional concentric vent kit available
CONDENSING DESIGN
■ 96% efficient condensing design
■ Equipped with condensate drain tee
SIDE-MOUNTED HOT AND COLD RECIRCULATING TAPS
■ Allows Vertex to be installed as part of combination space heating/water heating applications or any system requiring a recirculating hot water loop, including radiant floor heating
ADVANCED ELECTRONIC CONTROL
■ Large LCD display
■ Precise temperature control
■ Advanced diagnostics
TM
■ iCOMM
Compatible and can be monitored from remote locations.
Call 1.888.WATER02 for more information.
COMMERCIAL GRADE GLASS LINING
®
TM
■ A. O. Smith PermaGlas Ultra Coat
process provides superior
■
protection against corrosion
Protects all interior tank surfaces including inside and outside of
SERIES 124/125
helical heat exchanger
TWO HEAVY-DUTY ANODE RODS
■ Provide maximum protection against corrosion
TOP-FIRED GAS BURNER
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
AVAILABLE FOR NATURAL GAS OR PROPANE
MAXIMUM HYDROSTATIC WORKING PRESSURE: 150 PSI
* 4.31 GPM continuous flow, based on 65°F inlet water temperature, 110° outlet temperature
May 2013
Page 1 of 2
CANRG45101
Residential Gas Water Heaters
VERTEXTM 96% THERMAL EFFICIENCY
CONTINUOUS HOT WATER
VERSATILE POWER DIRECT VENT
CODES AND STANDARDS
■ Design-certified by UL (Underwriters Laboratories) according to ANSI Z21.10.3 - 4.3 CSA Standards
■ This model meets the thermal efficiency and standby loss requirements of the current edition ASHRAE/IESNA 90.1.
■ This model meets the requirements of the BC Energy Efficiency Act
6-YEAR LIMITED TANK AND PARTS WARRANTY
For complete information, consult written warranty or A. O. Smith Water Products Company.
CAPACITY & DIMENSIONS
MODEL
GDHE 50
BTU INPUT
PER HOUR
GALLON
CAPACITY
FIRST HOUR
DELIVERY
GALLONS
RECOVERY
90ºF RISE
GALLONS
PER HOUR
A
B
C
D
E
100,000
50
164
129
66-3/4
49-1/4
22
15-3/4
3
F
SHIPPING
WEIGHT
LBS
BC
Compliant
8
255
√
DIMENSIONS IN INCHES
Inlet and outlet connections: 3/4” male
Circulation loop connections: 3/4” female
Gas inlet: 1/2”
Maximum Supply Pressure: 14 inches W.C. (3.48kPa)
Minimum Supply Pressure for Natural Gas: 3.50 inches W.C. (.87kPa)
Minimum Supply Pressure for Propane Gas: 8.00 inches W.C. (1.99kPa)
Minimum pressure must be maintained under both load and no load (dynamic and static) conditions.
Electrical characteristics- 120V, 60Hz, Amperes <5
PART NUMBER: 9006328005
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
Page 2 of 2
CANRG45101
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