GAMA certification applies to
all residential gas water
heaters with capacities of 20
to 100 gallons with input rating
of 75,000 BTU/Hr. or less.
• For Your Safety •
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WA TER HEATER.
ALL TECHNICAL AND W ARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WA TER HEA TER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLA TE ON THE WA TER HEA TER.
KEEP THIS MANUAL IN THE POCKET ON HEA TER FOR FUTURE REFERENCE
PRINTED 1005 183774-001
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
1
SAFE INSTALLATION, USE AND SERVICE
Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater.
Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and
others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very
important that the meaning of each safety message is understood by you and others who install, use or service this water heater.
All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message and
how to avoid the risk of injury.
IMPORTANT DEFINITIONS
• Qualified Installer: A qualified installer must have ability equivalent to a licensed tradesman in the fields of plumbing,
air supply , venting and gas supply, including a thorough understanding of the requirements of the National Fuel Gas
Code as it relates to the installation of gas fired water heaters. The qualified installer must also be familiar with the
design features and use of flammable vapor ignition resistant water heaters, and have a thorough understanding of this
instruction manual.
• Service Agency: A service agency also must have ability equivalent to a licensed tradesman in the fields of plumbing,
air supply , venting and gas supply, including a thorough understanding of the requirements of the National Fuel Gas
Code as it relates to the installation of gas fired water heaters. The service agency must also have a thorough
understanding of this instruction manual, and be able to perform repairs strictly in accordance with the service guidelines
provided by the manufacturer.
• Gas Supplier: The Natural Gas or Propane Utility or service who supplies gas for utilization by the gas burning
appliances within this application. The gas supplier typically has responsibility for the inspection and code approval of
gas piping up to and including the Natural Gas meter or Propane storage tank of a building. Many gas suppliers also
offer service and inspection of appliances within the building.
• Piezo-Electric Spark Gas Ignition System: A combination of a piezo-electric spark generator , high voltage lead(s) and
a spark electrode(s) designed to ignite pilot burner gas at an appliance burner .
2
GENERAL SAFETY
3
TABLE OF CONTENTS
SAFE INSTALLA TION, USE AND SERVICE...............................2
GENERAL SAFETY ..................................................................3
T ABLE OF CONTENTS .............................................................. 4
Thank Yo u for purchasing this water heater. Properly installed and
maintained, it should give you years of trouble free service.
Abbreviations Found In This Instruction Manual:
• CSA - Canadian Standards Association
• ANSI - American National Standards Institute
• NFPA - National Fire Protection Association
• ASME - American Society of Mechanical Engineers
• GAMA - Gas Appliance Manufacturer’s Association
This gas-fired water heater is design certified by CSA INTERNA TIONAL
under American National S tandard/CSA Standard for Gas W ater Heaters
ANSI Z21.10.1 • CSA 4.1 (current edition).
This gas-fired water heater is equipped with a piezo-electric spark
device used for pilot burner ignition, and complies with the St andard for
Manually-Operated Piezo-Electric Spark Gas Ignition Systems and
Components, ANSI Z21.77 • CGA 6.23.
PREPARING FOR THE INSTALLATION
1. Read the “General Safety” section, page 3 of this manual first and
then the entire manual carefully. If you don’t follow the safety rules,
the water heater will not operate properly . It could cause DEA TH,
SERIOUS BODIL Y INJURY AND/OR PROPERTY DAMAGE.
This manual contains instructions for the installation, operation, and
maintenance of the gas-fired water heater. It also contains warnings
throughout the manual that you must read and be aware of. All
warnings and all instructions are essential to the proper operation
of the water heater and your safety . Since we cannot put everything
on the first few pages, READ THE ENTIRE MANUAL BEFORE
A TTEMPTING TO INST ALL OR OPERA TE THE WATER HEA TER.
2. The installation must conform with these instructions and the local
code authority having jurisdiction. In the absence of local codes,
installations shall comply with the National Fuel Gas Code ANSI
Z223.1/NFPA 54. This publication is available from the Canadian
Standards Association, 8501 East Pleasant V alley Rd., Cleveland
Ohio 44131, or The National Fire Protection Association, 1
Batterymarch Park, Quincy, MA 02269.
3. If after reading this manual you have any questions or do not
understand any portion of the instructions, call the local gas utility or
the manufacturer whose name appears on the rating plate.
4. Carefully plan the place where you are going to put the water heater.
Correct combustion, vent action and vent pipe installation are very
important in preventing death from possible carbon monoxide
poisoning and fires, see Figures 1 and 2.
Examine the location to ensure the water heater complies with the
“Locating the New Water Heater” section in this manual.
5. For California installation this water heater must be braced, anchored
or strapped to avoid falling or moving during an earthquake. See
instructions for correct installation procedures. Instructions may be
obtained from California Office of the St ate Architect, 400 P Street,
Sacramento, CA 95814.
6. Massachusetts Code requires this water heater to be installed in
accordance with Massachusetts 248-CMR 2.00: St ate Plumbing Code
and 248-CMR 5.00.
7. Complies with SCAQMD rule #1121 and districts having equivalent
NOx requirements.
4
TYPICAL INSTALLATION
GET TO KNOW YOUR WATER HEATER - GAS MODELS
A Vent Assembly
B Flue Outlet
C Anode
D Hot Water Outlet
E Outlet
F Insulation
G Gas Supply
H Manual Gas Shut-off Valve
* INSTALL IN ACCORDANCE
WITH LOCAL CODES.
*DRIP LEG AS REQUIRED
BY LOCAL CODES.
I Ground Joint Union
J Drip Leg (Sediment Trap)
K Inner Door
L Outer Doors w ith Gaskets
M Union
N Inlet Water Shut-off Valve
O Cold Water Inlet
P Inlet Dip Tube
Q Temperature-Pressure Relief Valve
R Rating Plate
S Flue Baffle
T Thermostat
U Drain Valve
V Pilot and Main Burner
W Flue
X Drain Pan
Y Piezo Ignitor
Z Thermostat Shield (optional)
(V) PILOT & MAIN BURNER
(T) THERMOSTA T
*ALL PIPING MATERIALS TO BE
SUPPLIED BY CUSTOMERS.
FIGURE 1.
5
TYPICAL INSTALLATION
MIXING VALVE USAGE
This appliance has been design certified as complying with Am erican N ational
Standard/CS A Standard for water heat ers and is considered suitable for:
Water (Potable) Heating: All models are “considered suitable for
water (potable) heating.”
Water (Potable) Heating and Space Heating: Certain models are
“considered suitable for water (potable) heating and space heating.”
Refer to the model and rating plate of the water heater.
FIGURE 2.
HOT WATER CAN SCALD:
Water heaters are intended to produce hot water. Water heated
to a temperature which will satisfy space heating, clothes
washing, dish washing, and other sanitizing needs can scald
and permanently injure you upon contact. Some people are
more likely to be permanently injured by hot water than others.
These include the elderly, children, the infirm or physically/
mentally handicapped. If anyone using hot water in your home
fits into one of these groups or if there is a local code or state
law requiring a certain temperature water at the hot water tap,
then you must take special precautions. In addition to using
the lowest possible temperature setting that satisfies your
hot water needs, a means such as a *Mixing Valve shall be
used at the hot water taps used by these people or at the
water heater. Mixing valves are available at plumbing supply
or hardware stores. Consult a Qualified Installer or Service
Agency. Follow mixing valve manufacturer ’s instructions for
installation of the valves. Before changing the factory setting
on the thermostat, read the “Temperature Regulation” section
in this manual, see Figures 109 and 110.
6
LOCATING THE NEW WATER HEATER
FACTS TO CONSIDER ABOUT THE LOCA TION
Carefully choose an indoor location for the new water heater, because
the placement is a very important consideration for the safety of the
occupants in the building and for the most economical use of the
appliance. This water heater is not for use in manufactured
(mobile) homes or outdoor installation.
Whether replacing an old water heater or putting the water heater in a
new location, the following critical points must be observed:
1. The location selected should be indoors, as close as practical to the
outside wall through which the water heater vent is going to be
installed, and as centralized with the water piping system as possible.
The water heater, as all water heaters, will eventually leak. Do not
install without adequate drainage provisions where water flow will
cause damage.
2. Selected location must provide adequate clearances for servicing
and proper operation of the water heater.
Installation of the water heater must be accomplished in such a manner
that if the tank or any connections should leak, the flow will not cause
damage to the structure. For this reason, it is not advisable to install the
water heater in an attic or upper floor. When such locations cannot be
avoided, a suitable drain pan should be installed under the water heater.
Drain pans are available at your local hardware store. Such a drain
pan must have a minimum length and width of at least 2 inches (5.1 cm)
greater that the water heater dimensions and must be piped to an
adequate drain. Drain pan depth must allow for access to the outer
doors for servicing the pilot and burner.
INSTALLA TIONS IN AREAS WHERE FLAMMABLE LIQUIDS (VAPORS)
ARE LIKELY TO BE PRESENT OR STORED (GARAGES, STORAGE AND
UTILITY AREAS, ETC.): Flammable liquids (such as gasoline, solvent s,
propane [LP or butane, etc.] and other substances such as adhesives,
etc.) emit flammable vapors which can be ignited by a gas water heater’s
pilot light or main burner. The resulting flashback and fire can cause
death or serious burns to anyone in the area, as well as property damage.
If installation in such areas is your only option, then the installation must
be accomplished in a way that the pilot flame and main burner flame are
elevated from the floor at least 18 inches (45.7 cm). While this may
reduce the chances of flammable vapors, from a floor spill being ignited,
gasoline and other flammable substances should never be stored or
used in the same room or area containing a gas water heater or other
open flame or spark producing appliance. NOTE: Flammable vapors may
be drawn by air currents from other areas of the structure to the appliance.
Water heater life depends upon water quality, water pressure and
the environment in which the water heater is installed. Water heaters
are sometimes installed in locations where leakage may result in
property damage, even with the use of a drain pan piped to a drain.
However, unanticipated damage can be reduced or prevented by a
leak detector or water shut-off device used in conjunction with a
piped drain pan. These devices are available from some plumbing
supply wholesalers and retailers, and detect and react to leakage in
various ways:
• Sensors mounted in the drain pan that trigger an alarm or turn off the
incoming water to the water heater when leakage is detected.
• Sensors mounted in the drain pan that turn off the water supply to
the entire home when water is detected in the drain pan.
• Water supply shut-off devices that activate based on the water
pressure differential between the cold water and hot water pipes
connected to the water heater.
• Devices that will turn off the gas supply to a gas water heater while
at the same time shutting off its water supply .
7
Also, the water heater must be located and/or protected so it is not
subject to physical damage by a moving vehicle.
This water heater must not be installed directly on carpeting. Carpeting
mu st be protected by metal or wood panel beneath the appliance
extending beyond the full width and depth of the appliance by
at least 3 inches (7.62 cm) in any direction, or if the appliance
is installed in an alcove or closet, the entire floor must be
co ve r ed by the panel. Failure to heed this warning may result in a
fire hazard.
Minimum clearances between the water heater and combustible and
noncombustible construction are 0 inch at the sides, 0 inches from
back, 4”(10.2 cm) from front of jacket to closet door and 3”(7 .6 cm )
from top of jacket to combustible and noncombustible material. Minimum
vent clearance: 0 inches.
No vent damper , whether it is operated thermally or otherwise, is to
be installed on this direct vent water heater. Alteration of any p art
of the factory-furnished vent assembly could result in improper
operation due to restriction of flue gases and may cause carbon
monoxide poisoning.
Venting Clearances
When determining the installation location for a direct vent water heater ,
snow accumulation and drifting should be considered in areas where
applicable. See Figures 4 through 8 and items below.
• 18” minimum in all directions from any obstruction that may interfere.
• 18” minimum from the ground and 12 “ from ceiling overhangs.
• The direct vent terminal shall terminate at least 3 feet above any
forced air inlet located within 10 feet. See Figure 5.
• 9” minimum horizontally from or above any door, window or gravity
air inlet into the building (50,000 BtuH input or less.)
FIGURE 3.
NOTE: Provide 24 inches (61 cm) front clearance for servicing and
a adequate clearance between the jacket top and ceiling for servicing
the flue area.
Combustion Air and Ventilation
• 12” minimum horizontally from or above any door, window or gravity
air inlet into the building (over 50,000 BtuH input).
• 12” minimum below any door, window or gravity air inlet into the
building (50,000 BtuH input or less).
• 18” minimum below any door, window or gravity air inlet into the
building (over 50,000 BtuH input).
• 18” minimum from other gravity or natural appliance outlet vents
when directly above or 135° to either side of center line. See Figure 6.
• 36” minimum from any outlet vents when directly below or 45° to
either side of center line. See Figure 7.
• 36” minimum in all directions from any other forced air appliance
outlet vent. See Figure 7.
• The location selection must provide clearances for servicing and
proper operation of the water heater. See Figure 8.
• Vent termination must not be within 4 feet of any items such as gas
meters, gas valves or other gas regulating equipment.
• Unless specified at time of ordering, a standard extension
kit (No. 9000687) is individually packaged and shipped with
the water heater.
FIGURE 4.
8
FIGURE 5.
Some local codes may require a vent cap cover. Figure 9 shows the
optional wire vent cap protector available from the water heater
manufacturer.
A wire mesh chain link fence (see Figure 9) may be used instead of the
factory cover. Care should be t aken to maintain adequate ventilation
around the vent cap. If a chain link fence is installed, it must not be used
as a storage area for items that may block proper ventilation.
FIGURE 9.
Flue Extensions
There are three optional extension kits available. Any combination of
the three kits can be chosen; however, only one kit can be used
vertically and/or horizontally, see Figures 10 & 11.
Unless otherwise specified at the time of ordering, a standard extension kit (9000687) is individually packaged and shipped within the water
heater carton.
FIGURE 10.
FIGURE 8.
Optional Wire Grill
When the water heater vent cap is low enough to be touched
accidentally , or is accessible to small children, installation of a
protective vent cover is recommended. See Figure 9.
9
V ertical Height (Extension Kit)
It is simple to determine which kit is needed for vertical height. T ake the
total height (to the top of the flue) required and comparing that to “F
dimension” in the chart #1, it can be determined which kit needs to be
used vertically.
BTU’sDIMENSION “F” (IN CENTIMETERS)
*Gal. in 1000’s 9000687 9001246 9001247 9001248
Cap. Nat/L.P STD. MIN. MAX. MIN. MAX. MIN. MAX.
*Check the model and rating plate attached to the water heater for
specific model number and other detailed information.
Horizontal (Extension Kit)
T o determine the horizontal length and extension kit needed, simply
plug the dimensions “D” and “G” into the equation below. The answer
“E” should then be located in Chart #2. The size range in which “E”
dimension falls indicates the kit that should be used horizontally to
obtain the desired length.
“D” = The wall thickness
“G” = The distance wanted between the edge of the water heater
and the inside edge of the wall
“E” = The distance the extension kit must be able to extend
9000687-Std.8.9 cm25.4 cm2.2 cm18.7 cm
900124625.4 cm29.4 cm18.7 cm32.7 cm
900124739.4 cm67.3 cm32.7 cm60.6 cm
900124867.3 cm121.9 cm60.6 cm115.3 cm
BTU’sDIMENSION “A, B, C” (INCHES/CENTIMETERS)
*Gal. in 1000’s
Cap. Nat.
40 36/3648 3/4” 124 cm41 3/4” 106 cm21”53 cm
50 38/3857 1/2” 146 cm50 1/2” 128 cm21”53 cm
40 40/4048 3/4” 124 cm41 3/4” 106 cm21”53 cm
50 48/4461”155 cm54”137 cm21”53 cm
75 55 NAT.63”160 cm54 3/4” 139 cm 26 1/4” 67 cm
10
ABC
ALL INST ALLA TIONS
Standard Vent Kit - Installation #1
For ease of assembly the installation of the various kit combinations
has been broken into individual sections. The two steps below are
common to all installations. Once these have been performed, you
need only to refer to the type installation that pertains to you.
Installation Using Vent Kit s:
1. St andard Vent Kit 9000687 ............................................. Page 1 1
2. Optional Vertical V ent Kit................................................. Page 14
After thoroughly reading the “Locating the New Water Heater”
section of this manual and you have chosen a suitable water
heater installation site, use Chart #1 to determine dimensions for
the wall opening.
Cut a 6 1/4” (159 mm) diameter hole completely through the outside
wall.
The opening through the wall should be cut at this time. If this has not
been done, refer to “Cutting The Opening Through The Outside Wall ”
section.
1. Lock the elbow to the straight 3” (76 mm) flue pipe. Set this assembly
in place on the end of the water heater’s flue collar.
FIGURE 14.
Water Heater Attitude
There is a certain amount of variance with regard to the direction the
water heater faces.
Standing in front of the water heater (gas control facing you), set the
3” (76 mm) diameter elbow (slotted end) on the flue. This will give you
a better understanding of the relation of the vent assembly to the
opening in the wall and more importantly any possibility of interference
of venting and water piping.
The direction of the water heater can now be made. Also consider the
gas control valve to insure installation, lighting and maintenance
accessibility are retained.
NOTE: Supplementary installation instructions are applicable only if
this direct vent water heater is provided with the alternate brown
porcelain-enameled vent cap and the 6” (152 mm) vent wall assembly
show below, See pages 22 thru 24.
FIGURE 15.
2. Mark the flue collar at the slots in the elbow . Using a #22 drill bit, drill
holes into the flue collar at the two slots and secure the elbow to the
flue collar using the screws provided.
NOTE: Make sure elbow is properly aligned to opening in the
outside wall.
FIGURE 16 .
3. Using the tube of sealant supplied, run an ample amount around the
oval flare of the jacket.
11
FIGURE 17.
4. First remove the 3” (76 mm) horizontal extension from the elbow. Starting with the long end (with four securing holes), place the 6” (152 mm)
diameter vent elbow over the 3” (76 mm) diameter elbow . Bend the
round end “oval” to fit the flared oval end of the jacket top.
FIGURE 18.
5. Making sure the 6” (152 mm) diameter elbow is centered around the 3”
(76 mm) diameter flue, secure the 6” (152 mm) diameter vent pipe
using four sheet metal screws at the connection of the jacket top.
FIGURE 21.
8. Slide the vent collar (to be installed later) over the 6” (152 mm) vent
elbow.
FIGURE 22.
9. Place the water heater at the opening in the wall, at the predetermined
clearance.
FIGURE 19 .
6. The standard vent kit includes a 6” (152 mm) diameter extension pipe
which is used when “E” dimension is over 6 1/2” ( 165 mm).
FIGURE 23.
10. Move outdoors with all the remaining vent parts. Using the tube of
sealant supplied, run an ample amount on the inside surface of the
collar assembly that will contact the exterior wall and also fill the
bead on the end of the 6” ((152 mm) diameter vent collar.
FIGURE 20.
7. If “E” dimension is less than 6 1/2” (165 mm) move to next step.
If “E” dimension is over 6 1/2” (165 mm), assemble the 6” (152 mm)
diameter extension pipe (crimped end) to the 6” (152 mm) diameter vent
elbow and secure using two sheet metal screws. Apply an ample amount
of sealant around the joint to ensure a good seal.
FIGURE 24.
12
11. Inst all the vent collar assembly through the wall, connecting it to the
extension and/or elbow (depending on which one was used).
FIGURE 25.
12. We have supplied four wood screws to temporarily attach the collar
to the exterior wall of the building. However , other types of screws
may have to be substituted depending on the material used in the
construction of the exterior wall.
15. The vent cap has four holes around the outer edge. Remove the four
screws used to temporarily attach the collar to the exterior wall.
Then secure the vent cap assembly with the vent collar assembly to
the exterior wall using the same four screws.
NOTE: Screws are supplied: However, substitution may be
necessary depending on the exterior wall material.
FIGURE 26.
13. Insert the 3” (76 mm) diameter flue extension pipe into the vent collar
assembly (flared & notched end first) and lock (turn clockwise to
lock studs to slots) the flue extension pipe to the flue elbow .
14. Connect the vent cap by sliding its end over the 3” (76 mm) diameter
extension pipe and O-ring.
NOTE: T o facilitate ease of assembly of the vent cap to the 3” (76 mm )
pipe, a soap solution can be applied to the O-ring gasket.
FIGURE28.
16. Go back indoors to a ttach inside collar to the inside wall. Place the collar
against the wall. Secure to wall by using four long sheet metal screws.
NOTE: Screws are supplied: However, substitution may be
necessary depending on the interior wall material.
FIGURE 29.
17. Using the tube of sealant supplied, run an ample amount of sealant
around the edge of the vent pipe where it is inserted through the
inside collar to seal air drafts from wall.
FIGURE 27.
FIGURE 30.
13
Optional Vertical Vent Kit with Standard Horizontal
V ent Kit - Installation #2
Any Optional Vent Kit
2. Set the vertical 3” (76 mm) diameter telescoping flue section in place
on the flue collar. Using a # 22 drill bit, drill two holes (180° apart) and
secure the vertical assembly to the flue collar.
FIGURE 33.
*Each part is stamped with a part number.
The opening through the wall should be cut at this time. If this has not been
done, refer to “Cutting The Opening Through The Out side Wall,” on page 1 1.
1. First it must be determined how far the vertical 3” (76 mm) diameter
telescoping flue sections are set and locked together using the two
screws supplied.
FIGURE 31 .
Use chart #3, drawing and simple equation below, to find the length of
expansion of the telescoping flue sections. Because of manufacturing
tolerances, place the telescoping extension on the water heater and
adjust the height (“X” Dimension) and mark the point. Once the length has
been determined, lock the two sections together by drilling two holes
(180° apart) in the pipe and securing with the screws supplied.
3. Slide the 6” (152 mm) vent telescoping section apart to reveal the
beads. Using the caulking supplied, fill the beads.
FIGURE34.
4. Apply an ample amount of sealant around the oval flare of the jacket.
FIGURE 35.
5. Place the 6” (152 mm) vent section over the 3” (76 mm) flue section.
Subtract 3/4” (19 mm) from the predetermined “X” dimension. This
determines the length of the 6” (152 mm) vent extension. Slide the 6”
(152 mm) vent extension apart to this dimension and secure with the
two screws supplied.
FIGURE 32.
CHART #3
*GAL CAP .*BTU’s in 1000’ s - NAT./L.P .A
4036/3648 3/4”124 cm
5038/3857 1/2”146 cm
4040/4048 3/4”124 cm
5048/4 461”155 cm
7555 NAT .63”160 cm
*Check the model and rating plate attached to the water heater for
specific model number and other detailed information.
FIGURE 36.
6. Form the round end of the 6” (152 mm) vent extension to the top of the
jacket and secure with four sheet metal screws.
FIGURE 37.
14
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