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NATURAL GAS COMMERCIAL
WATER HEATERS
HEAVY DUTY MODELS
• 65 AND 73 U.S. GALLON (246 AND 276 LITRE)
STORAGE CAPACITY BUILT
TO LAST
LONGER
• 112,500 TO 399,900 BTUH
(33.0 TO 117.2 KW) INPUT
• MULTI-FLUE TANK DESIGN
• LOW PROFILE AUTOMATIC FLUE DAMPER
• LED DIAGNOSTIC SYSTEM
• SPARK TO PILOT IGNITION SYSTEM
• MULTI-PORT, QUIET, ENERGY EFFICIENT BURNERS
• THREE YEAR LIMITED WARRANTY
WATER HEATERS ARE BUILT TO LAST LONGER
If durability, reliability, and versatility are the ideally suited for most commercial and storage tanks for additional hot water capacity.
characteristics you are looking for in a hot water industrial applications. They have been All Giant commercial gas water heaters are
heater for your business, look no further than designed for quick and easy installation as design certified by CSA to the harmonized
Giant's line of commercial gas water heaters. a replacement unit or a new installation. standards ANSI Z21.10.3-1998 / CSA 4.3-M98
Our water heaters have been specially These commercial gas water heaters can and meet or exceed the Thermal Efficiency
designed with more steel and better grades be installed as a single unit, or as part of a requirements of ASHRAE 90.1b 1992. Each
(low carbon, low alloy), superior burners and multiple unit installation. Although used unit has a thermal efficiency greater than
controls, and a wide range of gas inputs. primarily as a complete hot water heating 80%. All models are suitable for potable
Giant commercial gas water heaters are system, they may be combined with Giant water and space heating applications.
O U T S TA N D I N G T E C H N I C A L F E AT U R E S
• LOW PROFILE AUTOMATIC FLUE DAMPER • LOW OVERALL HEIGHT • GLASS LINED INNER TANK
Closes automatically when the demand for heat The new generation of commercial A uniquely formulated blue glass is fused
stops, thereby reducing stand-by heat loss. Low gas water heaters has been made to specially treated steel at 1600°F (871°C)
profile design minimizes the overall height of shorter to facilitate easy to provide the best coating available
the water heater. installation and replacement. against corrosion for many years. The tank
is certified at a test pressure of 300 PSI
• PATENTED REINFORCING STEEL COLLAR (2068 kPa) and a working pressure of 150
Flue tubes are specially welded on a steel collar PSI (1034 kPa).
for a longer tank life (see illustration facing page).
• CLEAN OUT AND INSPECTION PORT
• HIGH DENSITY FIBERGLASS Permits easy internal cleaning and
OR INSULATION inspection.
Provides superior heat retention and
energy efficiency while being environmen- • DRAIN VALVE
tally friendly (no CFC’s, HCFC’s or VOC’s). Excellent one-piece brass drain valve is
Fiberglass and are entirely installed for easy drainage.
recyclable.
• FACTORY INSTALLED
• AUTOMATIC TEMPERATURE 1 1/2" N.P.T. DI-ELECTRIC NIPPLES
CONTROL SYSTEM Extend the life of the water heater by pro-
The thermostat is fully adjustable up to 82°C viding excellent corrosion protection.
(180°F). It is equipped with an integrated energy
cut-off (ECO) and high temperature cut-off • MULTI-PORT, QUIET,
switch in the event of an overheat condition. ENERGY EFFICIENT BURNERS
The burner tray slides out easily for quick
• LED DIAGNOSTIC SYSTEM inspection & easy maintenance.
(luminescent electronic diode)
Designed to give a visual indication of the • CERAMIC/REFRACTORY
operational status of the water heater. This COMBUSTION CHAMBER
panel also identify where to begin Maximizes heat transfer to the water
troubleshooting a non functional water heater. heater (see illustration).
• SPARK TO PILOT IGNITION SYSTEM • TANK DESIGN
Eliminates the standing pilot. Saves energy Maximizes installation flexibility by offering
by only lighting the pilot when the thermostat models with front and rear Inlet/Outlet
calls for heat. water connections.
• MULTI FLUE DESIGN
• APPROVED FOR INSTALLATION ON
Increases the heat transfer to the tank resulting
in greater tank efficiency. COMBUSTIBLE FLOORING
Eliminates the need for construction of a
• HIGH QUALITY MAGNESIUM ANODES noncombustible platform – provides
Provide excellent protection against the greater design flexibility and safety.
corrosive effects of water and extend tank life.
• FACTORY INSTALLED WIRING
• FACTORY INSTALLED T&P RELIEF VALVE Flexibility of installation. All models are
Protects the tank from the damaging pre-wired at the factory so that they can
effects of excessive temperature and pressure. be installed in conventional applications,
or with optional side wall power vent kits.
THREE YEAR LIMITED WARRANTY
Giant commercial gas water heaters have a three (3) year limited warranty against inner tank leakage from the date of installation. One (1) year
limited warranty on component parts. For more specific warranty details, consult the owner's manual that comes with each water heater.
ADDS MORE STEEL WHERE IT COUNTS !
Every commercial gas water heater endures constant day to day stress.
This is due to frequent changes in temperature inside the tank as the
hot water leaves and the cold water enters. The critical stress points are
located where the tank components are welded, especially at the flue
tubes and secondly where the tank bottom joins the tank. HERE IS
HOW GIANT HAS MADE THESE SPECIFIC STRESS POINTS MUCH
MORE LEAK RESISTANT.
We start by using the largest The steel collar is then welded This technique leaves a clean The tank bottom and top and
steel collar used in the industry from outside of the tank bottom surface inside the tank resulting the flue tubes are glass-lined
(0.27" wall thickness X 1"long). and top. This leaves 3/4"of the in a smooth surface for glasslining. separately with an industrial
steel collar permiting a stronger grade coating of a blue cobalt
welding of the flue tubes. glass.
GLASS-LINING GLASS-LINING
GLASS-LINING
WELD
DONE BEFORE
GLASSLINING
TANK SHELL
TANK SHELL
STEEL COLLAR
WELD
DURABLE WELD
WELD
ROUNDED EDGE
The flue tube is welded to the steel collar, far away from the glass- We supply a tank shell with low carbon, low alloy content and also
lined components to make sure that the glass-lining is not burned extend the shell well below the tank bottom so that the welding
away or damaged during the welding operation. process does not damage the glass-lined surface of the tank.
The refractory The LED’s are arranged on the panel based ON
combustion chamber is on their order of operational sequence;
insulated entirely with 3/4“ of
• POWER - 120 VAC power is being
ceramic fiber. This feature
supplied to the water heater and
permits better heat retention in
the main switch is “ON”.
the combustion chamber,
translating into a higher heat • THERMOSTAT - Calling for heat,
exchange to the flue damper starts to open.
the water. • IGNITION SEQUENCE - The flue
damper is fully open, ignition sequence
begins.
• PILOT VALVE - The pilot module is in the
Three (3) galvanized steel legs are ignition sequence, the ECO switch is activated inside the thermostat.
installed for superior tank support and • ECO - the ECO (energy cut-off switch)
ease of installation. Support brackets is closed, a signal to open the main valve is being sent.
are supplied should the water heater • MAIN GAS VALVE - the main gas valve is suppling gas to the
require anchoring to the floor. burners, the burners are in operation.
RECOVERY GPH/LPH at various temperature rises
Capacity Input At 80°F(44°C) At 100°F(56°C) At 140°F(78°C) Est. shipping weight
Modèles U.S. gal L Imp.gal Btu kW U.S. gal L Imp.gal U.S. gal L Imp.gal U.S. gal L Imp.gal lb kg
UG73-125NH 73 276 61 112,500 33.0 133 503 111 106 401 88 76 288 63 429 195
UG73-125N 73 276 61 125,000 36.6 148 560 123 118 447 98 84 318 70 429 195
UG73-150NH 73 276 61 135,000 39.6 160 606 133 128 484 107 91 344 76 429 195
UG73-150N 73 276 61 150,000 43.9 177 670 147 142 537 118 101 382 84 429 195
UG73-200NH 73 276 61 180,000 52.7 212 802 177 170 643 142 122 462 102 429 195
UG73-200N 73 276 61 200,000 58.6 236 893 197 189 715 157 135 511 112 429 195
UG65-250NH 65 246 54 225,000 65.9 266 1007 222 213 806 177 152 575 127 465 211
UG65-250N 65 246 54 250,000 73.2 296 1120 246 236 893 197 169 640 141 465 211
UG65-300NH 65 246 54 270,000 79.1 319 1207 266 255 965 212 182 689 152 465 211
UG65-300N 65 246 54 300,000 87.9 355 1344 296 284 1075 236 203 768 169 465 211
UG65-360NH 65 246 54 324,000 94.9 383 1450 319 306 1158 255 219 829 182 465 211
UG65-360N 65 246 54 360,000 105.5 426 1612 355 340 1287 283 243 920 202 465 211
UG65-400N† 65 246 54 399,900 117.2 467 1766 389 373 1413 311 267 1009 222 465 211
DIMENSIONS (inches -cm)
Models A B C D E1 E2 E3 E4 F G H I J K
All UG65 16 41 521/2 133 641/4 163 61/4 16 251/4 64 581/8 148 251/4 64 581/8 148 701/2 179 327/8 84 26 67 8 20 40˚ 11˚
All UG73-125 16 41 521/2 133 641/4 163 61/4 16 251/4 64 581/8 148 251/4 64 581/8 148 675/8 172 327/8 84 26 67 5 13 40˚ 11˚
All others UG73 16 41 521/2 133 641/4 163 61/4 16 251/4 64 581/8 148 251/4 64 581/8 148 69 175 327/8 84 26 67 6 15 40˚ 11˚
* Models of 125 000 and 150 000 Btu and their de-rated versions can also use a 1/2“ gas connection. †Available in 2006.
In accordance with our company policy of on-going product improvement, Giant Factories Inc. reserves the right to make changes without notice.
LOWER-INLET (E3) I VENT HOOD
SPACE HEATING
HOT WATER OUTLET
1 1/2" NPT-M
1 1/2" NPT-M
UPPER-OUTLET (E4)
SPACE HEATING H FLUE
1 1/2" NPT-M DAMPER
4 TO 8 BURNERS
K
DEPENDING ON MODEL HIGH LIMIT
J
THERMOSTAT T&P RELIEF VALVE
3/4" NPT-M (UG73)
SAMPLE SPECIFICATION 1" NPT-M (UG65)
F E2 INNER TANK
Gas water heater(s) shall be a GIANT model # ____________ with a ____ ACCESS DOOR
gallon/litre storage capacity, a gas input of ____________ Btu (kW), and a CONTROL
recovery rate of __________ GPH/LPH at 100oF (56oC) temperature rise. BOX B
Water heater(s) shall be design certified by CSA. Tank(s) will have an
E4
industrial grade coating of a blue cobalt glass, insulated with environmen-
tally friendly high density fiberglass or , and furnished C
with magnesium anode rods. Tank(s) shall have a working pressure rating
BRASS
of 150 PSI (1034 kPa), a full size tank inspection port, a factory installed
E1 DRAIN VALVE E3
ASME rated and CSA approved temperature & pressure relief valve, and 3/4" NPT-M
shall have front and rear side inlet/outlet water connections. The water
heater will be equipped with an electronic ignition, a flue damper system, A
and an Energy Cut-Off System (ECO). Water heater(s) shall be covered by D
a three (3) year limited warranty against inner tank leakage.
OPTIONAL SIDE WALL POWER VENT KITS
All Giant commercial gas water heaters are certified for use with side wall power vent kits. These B C
kits offer the following features:
POWER VENT DESIGNED FOR FLEXIBILITY
No chimney required, just vent though the Allows for easy and economical installations. A
outside wall. The maximum equivalent vent These kits can be used in new gas installations
pipe length is 50 feet for each kit. NOTE: Not where conventional venting is too costly, in
approved for vertical vent applications. conversions from electric to gas avoiding a E
costly venting system upgrade, or retro-fitted F
ALUMINUM VENT HOOD onto an existing gas installation with poor
Mounts on outside of wall. Features rust free venting, avoiding costly renovations.
construction, outside wall condensate shield,
D sq. H sq.
a heat shield to protect the exterior of the APPROVED FOR USE WITH G dia.
building, and a one (1) inch air space providing TYPE-B VENTING
clearance from combustibles. All mounting Reduces venting installation costs.
hardware included.
Motor DIMENSIONS (inches) Inlet/ Vent hood
COMMGAS oct07
Models Kit Number Watts Amps A B C D E F G H Outlet Rough-in
UG73-120NH to UG73-150NH GPAK-1TGF 95 1.26 7 7/8 7 11 4 7 5/8 7 1/8 9 8 5/8 4 8
UG73-150NH to UG65-400NH GPAK-2TGF 224 1.51 91/4 8 1/2 11 1/2 6 8 5/8 7 3/4 9 1/8 9 3/8 4 9
40 Lesage Avenue, Montreal-East, Quebec, Canada H1B 5H3
Telephone: (514) 645-8893 Fax: (514) 640-0969 www.giantinc.com
