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SPECIFICATIONS TABLE
MODEL
NUMBER
449.310310
449.310311
449.320310
449.320311
449,310410
449.310411
449.320410
449.320411
449.314410
449.310510
449.310530
449.310531
449.320510
449.320511
(D At 90 ° F rise
NOMINAL
TANK
CAPACITY
(Gallons)
30
3O
30
3O
40
40
4O
4O
40 Short
52
52
52
52
52
ELEMENTS
(@240Volt_
Qt_ Waffage
2 3800
2 3800
2 5500
2 5500
2 3800
2 3800
2 5500
2 5500
1 3800
2 3800
2 3800
2 3800
2 5500
2 5500
RECOVERY
RATE(_
(Gallons
PerHour)
17.3
17.3
25,0
25.0
17.3
17.3
25.0
25.0
17.3
17.3
17.3
17.3
25.0
25.0
MAX FUSE OR
CIRCUIT
BREAKER SIZE
(Arnps)
2O
20
3O
3O
2O
2O
3O
3O
2O
20
2O
20
3O
3O
MINIMUM
WIRE SIZE
®
(Gauge No.)
12
12
10
10
12
12
10
10
12
12
12
12
10
10
DIMENSIONS
(Inches)
® ®
Diam. Height
211/4 533/8
211/4 533/8
211/4 533/8
211/4 533/8
211/4 657/8
211/4 657/8
211/4 657/8
211/4 657/8
231/8 553/8
231/8 663/4
231/8 663/4
231/8 663/4
231/8 66,1/4
231/8 66_/4
- MAXIMUM
WORKING
PRESSURE
(PSI)
150
150
150
150
150
150
150
150
150
150
150
150
150
150
@ Standard60° Ccopper wire(localcodes mayspecify other gaugeif fuse or circuit
® Actual outside configuration is 16 equal sides. The front panel protrudes 1" to
® Includes factory installed temperature and pressure relief valve.
REC-OM-
MENDED
WORKING
PRESSURE
(PSi)
80
80
80
8o
80
80
80
80
80
80
80
80
80
80
breakerbox ismorethan 90ft. from water heater).
11,_-beyond above nominal diameter.
PLAN HOW YOU WILL INSTALL YOUR WATER HEATER
TOOLS AND MATERIALS NEEDED
• Copper or galvanized pipe and fittings (3/4" minimum size)
as needed to make the plumbing connections (see FIG. 1,
Page 5 and FIG. 2, Page 6). GPVC plastic pipe and fittings
are permitted in some areas.
• You can buy water heater installation kits I I
from Sears. The kitsinclude flexible con-
nectors with 3/4" fittings to help make
m
installing the water heater easier.
• Pipe thread seal compound.
t=!
• Electrical wiring materials as needed ki
(see Step 8 and Page 7). I
• Pipe wrenches (2), hacksaw or pipe cutter, wire stripper or
knife, a wire cutter, and a Phillips screwdriver. If installing
copper pipe and solder fittings, you will need a propane
torch, lead free solidcore solder (see following Note (_),
paste flux, emery cloth, sand paper or steel wool. If
installing CPVC plastic, solvent cement is needed.
O NOTE; For copper pipe installations, to help guard
against the adding of lead to water supplies, Federal law
prohibits the use of solder containing more than 0.2
percent of lead.
WHERE TO LOCATE THE WATER HEATER
Ifyou are replacingan old waterheater, you willprobablywant
to usethe same location. If you want to changethe location,
or ifthis isa new installation,considerthefollowing:
• Locatecloseto whereyou willuse the most hot water. Less
heatislostwhenthe hotwaterhasa shortdistancetoflow.
• Locateclose to a floor drain, laundrytub or sink.A proper
(check local codes) drain is needed for the temperature
and pressurerelief drain pipe (seePage 6),and for monthly
drainingof the water heater (see Page 10).
• Do not install where water could freeze in the water heater.
Freezedamage voids your warrantyfrom Seats (seePage12).
• Do not install next to a wood-burning stove or other
appliance where high temperature could warp or otherwise
damage the water heater outer jacket.
• Put the water heater in a place water damage is least likely
if it should start to leak. If needed (see following note ® ),
make or buy a suitable drain pan and place it under the
water heater. The drain pan must have a free flowing drain
line to carry away water that may leak into it.
@ NOTE" Recommended by American National Standards
Institute (ANSI) Z21-10.1- (latest issue) under instruction
section, if water heater is located in or above an area that
could be damaged by water leaks.
• For ease of service, be sure you are able to get to the drain
valve, temperature and pressure relief valve, and access
panels to the controls.
• Be sure the floor is level so the water heater will stand
straight.
REMOVE THE OLD WATER HEATER
(if it applies)
1. TURN OFF ELECTRICPOWER TO THE WATERHEATERat
the fuse or circuit breaker panel.
If removing a gaswater heater,TURN OFFTHE GASSUPPLY
TO THE HOUSE,disconnect and cap, or remove,the gas line
to the water heater(check localcodes) andthe vent pipe.
WARNING
I DO NOT SMOKE, CREATE SPARKS OR USE OPEN I
I
FLAME DURING CAPPING OR REMOVING GAS LINE AS
I
AN EXPLOSION MIGHT RESULT.
2. Turnoffthe watersupply to thewater heater.
~ .