Seaward WATER HEATERS User manual

Seaward Products
WATER HEATERS
OWNER’S MANUAL
SerialNumber:

IMPORTANT SAFETY INSTRUCTIONS
WARNING
When using electrical appliances, basic safety precautions to reduce the risk of fire, electrical
shock, or injury to persons should be followed, including:
1. READ ALL INSTRUCTIONS BEFORE USING THIS WATER HEATER.
2. This water heater must be grounded. Connect only to properly grounded source.
See “GROUNDING INSTRUCTIONS” found on Page 4, Item 7.
3. Install or locate this water heater only in accordance with the provided installation
instructions.
4. Use this water heater only for its intended use as described in this manual.
5. Do not use an extension cord set with this water heater. If no junction box is available
adjacent to the water heater, contact a qualified electrician to have one properly
installed.
6. As with any appliance, close supervision is necessary when used by children.
7. Do not operate this water heater if it has a damaged power supply line, if it is not
working properly, or if it has been damaged or dropped.
8. This water heater should be serviced only by qualified service personnel. Contact
nearest authorized service facility for examination, repair, or adjustment.
WARNING
This water heater is equipped with a heat exchanger. Extended engine coolant
circulation through the heater may result in excessively hot water.
This water heater tank and heat exchanger is made of aluminum. Some engine
manufacturers recommend that cooling system be flushed periodically. Caustic
chemicals are commonly used. DO NOT flush caustic chemicals (such as Nalcool)
through your system with the heat exchanger hooked up or damage WILL occur to
heater.
If flushing is required by your engine manufacturer, you must isolate heater from
this process. After system flushing is complete and neutralized, you can then re-plumb
heater. Make sure recommended automotive type premixed ethylene glycol coolants
such as Prestone, Xerex, or Peak are used for replacement. Damage that occurs to
heater due to chemical reaction by caustic chemicals IS NOT under warranty.
1

CAUTION
Hydrogen gas can be produced in a hot water system served by these heaters that
have not been used for a long period of time (generally 2 weeks or more.) Hydrogen gas is
extremely flammable. To reduce the risk of injury under these conditions, it is recommended
that the hot water faucet be opened for several minutes at the kitchen sink before using any
electrical appliance connected to the hot water system. If hydrogen is present, there will be
an unusual sound such as air escaping through the pipe as the water begins to flow. There
should be no smoking or open flame near the faucet at the time it is open.
Small amounts of electric currents may move to your boat through your shore cord,
causing galvanic damage to your water heater. To help prevent possible damage, a galvanic
isolator is recommended. Galvanic corrosion IS NOT covered under warranty.
ANODES
In a small number of instances tap water may have sufficient concentrations of
dissolved salts to cause corrosion of the heater tank. Anode rods preserve the life of a water
heater by corroding themselves so the water heater doesn't. These anode rods are easy to
install! Simply replace the drain plug with this product to protect the water heater tank.
Note:
DO NOT USE ZINC ANODES. THEY WILL NOT PREVENT
CORROSION TO YOUR HEATER TANK!!!!
If you live in an area known to have such water please contact our customer service
department at 562-699-7997 to order a Magnesium Anode.
Part No. 74556, Magnesium 4” Anode with ¾” thread to replace drain valve.
HOT WATER OUTLET P & T VALVE
COLD WATER INLET
DRAIN
***REMOVE DRAIN AND
REPLACE WITH ANODE
ANODE PART # 74556
REPLACES DRAIN
VALVE PART # 73123
2

NOTICE
This temperature / pressure valve may weep during initial operation. This is normal.
The valve will seat itself with use. A drain hose should be installed at this valve directed into
bilge.
If the boat is connected to the dockside water system, make sure to turn off the system
at the dock when not attended. Also make sure a pressure regulator is used to control
pressure.
OPERATING INSTRUCTIONS
1. Fill water system and completely fill tank.
2. Locate and turn remote electrical switch to “ON”.
3. Turn switch to “OFF” position prior to draining water system.
4. The temperature / pressure valve may weep during initial operation. This is normal.
The valve will seat itself with use.
NOTE: DO NOT OPERATE HEATER WITHOUT ELEMENT BEING SUBMERGED IN WATER.
MAINTENANCE
1. Check heat exchanger lines for leaks at regular intervals. A leak in the system will
cause coolant loss and may damage engine.
2. Flush tank periodically to help prevent build-up of deposits.
3. Protect against damage from freezing temperatures (32° F or less)
Please review the following:
a) Drain tank by fully opening drain valve. Open T&P valve to help relieve vacuum
in tank. (See item 2 in exploded view)
b) It is recommended you winterize your fresh water system. First complete step 3a,
then follow instructions of your local supplier regarding chemicals to use and how
to use them.
CAUTION
If heater has been run without water and now fails to work, fill heater tank with water and push electric
reset button high limit switch under wire access cover before calling for service.
HEAT EXCHANGER TUBING
HOSE CLAMP
SAE J53Q TYPE "E" OR EQUIVALENT
5/8" I.D. HOSE
SAE "2" OR "3" OR EQUIVALENT
ENGINE COOLANT LINES
NOTE: Whether heat exchanger tubes are out the Front or Rear the same connection
information applies.
Figure 1
3

INSTALLATION
NOTE: DO NOT INSTALL THE WATER HEATER ON ITS SIDE OR UP SIDE DOWN.
1. Locate water heater at engine level as close to engine as possible.
2. Secure mounting brackets to structure with eight #12 minimum screws or ¼ - 20
minimum cap screws and nuts.
3. Connect cold water supply and hot water outlet to heater as marked, ½” N.P.T. fittings.
4. Connect heat exchanger system described in Figure 1. Make sure coolant system is
completely purged of air and full of coolant before operating.
5. Pressure temperature relief valve is factory installed. The pressure relief shall limit the
pressure to 127.5 PSI (879.3 KPA) minimum, 150 PSI (1034.2 KPA) maximum.
The valve must be oriented, provided with tubing, or otherwise installed so that
discharge can exit no more than 6 inches above, or at any distance below the structural
floor, and cannot contact any live electrical part.
Install replacement temperature and pressure protective equipment required by local
codes, but not less than a combination temperature and pressure relief valve certified
as meeting the requirements for relief valves and automatic gas shutoff devices for hot
water supply systems, ANSI Z21.22 by a nationally recognized testing laboratory that
maintains periodic inspection of production of listed equipment or materials.
6. Connect the electrical supply by a qualified electrician. The electrical supply shall be
permanent wiring, armored cable or conduit, per national electrical code NFPA 70, with
a minimum capacity of 1500 watts.
On 120 volt circuits, use a UL approved 15 amp circuit breaker. On 240 volt circuits,
use a 10 amp approved circuit breaker per leg.
7. GROUNDING INSTRUCTIONS: The supply ground shall be connected to the green
wire located in the water heater wiring compartment. Do not place switch in the
grounding circuit.
8. RESET INSTRUCTIONS: The heater is equipped with a high limit switch which can be
manually reset. If the limit switch activates, proceed as follows:
•Turn power off at main power panel or remote switch
•Remove wiring access cover
•Depress red button on high temperature limit switch
•Replace cover and turn power on
•If temperature limit switch reactivates, contact a Seaward Products
Authorized service center.
4

5
WIRING DIAGRAM FOR 120V
RESET
HIGH TEMP LIMIT SWITCH
120 VAC
HEATER ELEMENT
120 VAC
GROUND WIRE
GREEN
WHITE
BLACK
FIXED TEMP CONTROL
THERMOSTAT
240 VAC
HEATER ELEMENT
240 VAC
GROUND WIRE
GREEN
BLACK
RED
FIXED TEMP CONTROL
THERMOSTAT
HIGH TEMP LIMIT SWITCH RESET
WIRING DIAGRAM FOR 240V

Winterizing Your Seaward Products Water Heater
Winterizing your fresh water system is an essential procedure that will maintain the life and longevity
of your Seaward Products water heater and fresh water tanks. To ensure that your fresh water
system has adequate protection for winter storage, use the following recommended winterizing
procedure.
Winterizing the Water Heater and Fresh Water System
1. Locate the fresh water tank drain valve or plug and allow the fresh water tanks to drain until
approximately 115% to 120% of the water heater capacity remains in the tanks.
Example: If water heater is 11 gallons = 12 to 13 gallons in fresh water tanks.
2. Treat the remaining fresh water left in the fresh water tanks with “Winterizing Chemicals”.
Winterizing chemicals are non-toxic antifreeze that is a propylene-glycol base and are safe for
potable water systems.
NOTICE
DO NOT USE THE TYPE OF ANTI-FREEZE THAT IS USED TO WINTERIZE
AUTOMOBILES. THIS IS NOT SAFE FOR POTABLE WATER SYSTEMS.
NOTICE
Antifreeze can be very corrosive to the anode rod. The result will be accelerated
deterioration of the rod and heavy sediment in the tank. If you intend to winterize by
adding antifreeze into the system and your water heater is equipped with an anode,
remove the anode rod (storing it for the winter) and replace it with a 3/4" male pipe
thread drain plug.
3. Turn off 120V or 240V AC power.
4. Turn on fresh water pump.
5. Open each faucet and water outlet one at a time until winterizing chemical is apparent at the
opening.
6. Turn off fresh water pump and leave all faucets and water outlets open over winter.
7. Locate the water heater drain and pressure relief valve and allow all water to drain from water
heater until empty. Leave water heater drain and pressure relief valve open over winter.
CAUTION
SPECIAL PRECAUTIONS MUST BE USED WHEN DRAINING AND FILLING AN ELECTRIC
WATER HEATER. ELECTRICITY MUST BE TURNED OFF BEFORE DRAINING AND
REFILLING WATER HEATER TANKS.
6

De-Winterizing the Water Heater and Fresh Water System
1. Close all faucets, water outlets, the water heater drain and pressure relief valve.
2. If during the winterizing procedure the anode was removed and replaced with a 3/4" male pipe
thread drain plug, remove the drain plug and replace with anode.
3. Fill fresh water tanks with fresh water approximately so that 115% to 120% of the water heater
capacity remains in the fresh water tanks.
Example: If water heater is 11 gallons = 12 to 13 gallons in fresh water tanks.
CAUTION
SPECIAL PRECAUTIONS MUST BE USED WHEN DRAINING AND FILLING AN ELECTRIC
WATER HEATER. ELECTRICITY MUST BE TURNED OFF BEFORE DRAINING AND
REFILLING WATER HEATER TANKS.
4. Turn on fresh water pump.
5. Open each faucet and water outlet one at a time until winterizing chemical is no longer
apparent at the opening. This allows the fresh water to flush the winterizing chemicals out of
the fresh water system.
6. Fill fresh water tanks to 100% capacity.
NOTICE
Seaward Products recommends that while filling the fresh water storage tanks that a
small amount of common household bleach be added to the fresh water system to
control the possible growth of algae. If an algae condition starts it is very difficult to
control.
Example: 1 oz of bleach for every 50 gallons of fresh water.
7. Fresh water system is now de-winterized and ready for use.
7

PARTS LIST MODELS
S300W & S350W
ITEM MODEL NO. PART NO. DESCRIPTION
1 ALL MODELS 80727 TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
S300W 75586 1250W HEATING ELEMENT
4 S350W 74715 3000W HEATING ELEMENT
5 S300W 74563 HIGH LIMIT SWITCH, 120V
S350W 74607 HIGH LIMIT SWITCH, 240V
6 ALL MODELS 73129 THERMOSTAT
S300W 73148 PLATE, THERMOSTAT MOUNTING 120V
7 S350W 73171 PLATE, THERMOSTAT MOUNTING 240V
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
10 ALL MODELS 75552 WRAP, WHITE
11 ALL MODELS 73290 BACK PANEL, WHITE
12 ALL MODELS 80652 FRONT PANEL, WHITE
13 ALL MODELS 75553 BASE, WHITE
14 ALL MODELS 74669 ACCESS, COVER WHITE
15 ALL MODELS 73146 INSULATION, WRAP
16 ALL MODELS 73147 INSULATION, FRONT
17 ALL MODELS 73330 INSULATION, BACK
8

EXPLODED VIEW
SEE PAGE 10 FOR PART LIST BREAKDOWN
PARTS LIST MODELS
S600, S650, S700, S750, F600, F650, F700, F750
S1100, S1150, S1200, S1250, F1100, F1150, F1200, F1250

10
ITEM MODEL NO. PART NO. DESCRIPTION
S600 / S700 80253
F600 / F700 80309
S1100 / S1200 80254
1
F1100 / F1200 80310
TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
ALL 120V MODELS 74031
4
ALL 240V MODELS 74032
1500W HEATING ELEMENT
ALL 120V MODELS 74563
5
ALL 240V MODELS 74607
HIGH LIMIT SWITCH
6 ALL MODELS 73129 THERMOSTAT
ALL 120V MODELS 73148
7
ALL 240V MODELS 73171
PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
S600 / S650 / F600 / F650 73137 WRAP, GALVANIZE
S600 / S650 / F600 / F650 74661 WRAP, WHITE
S700/ S750 / F700 / F750 73283 WRAP, S.S.
S1100 / S1150 / F1100 F1150 73166 WRAP, GALVANIZE
S1100 / S1150 / F1100 F1150 74665 WRAP, WHITE
10
S1200 / S1250 / F1200 / F1250 73287 WRAP, S.S.
S600 / S650 73140
F600 / F650 73888
BACK PANEL, GALVANIZE
S600 / S650 74681
F600 / F650 74663
BACK PANEL, WHITE
S700 / S750 73286
F700 / F750 73887
BACK PANEL, S.S
S1100 / S1150 73169
F1100 / F1150 73941
BACK PANEL, GALVANIZE
S1100 / S1150 74691
F1100 / F1150 74667
BACK PANEL, WHITE
S1200 / S1250 73290
11
F1200 / F1250 73942
BACK PANEL, S.S
S600 / S650 80648
F600 / F650 80649
FRONT PANEL, GALVANIZE
S600 / S650 80652
F600 / F650 80653
FRONT PANEL, WHITE
S700/ S750 80650
F700 / F750 80651
FRONT PANEL, S.S
S1100 / S1150 80654
F1100 / F1150 80655
FRONT PANEL, GALVANIZE
S1100 / S1150 80658
F1100 / F1150 50659
FRONT PANEL, WHITE
S1200 / S1250 80657
12
F1200 / F1250 80656
FRONT PANEL, S.S
S600 / S650 / F600 / F650 73138 BASE, GALVANIZE
S600 / S650 / F600 / F650 74664 BASE, WHITE
S700/ S750 / F700 / F750 73284 BASE, S.S.
S1100 / S1150 / F1100 F1150 73170 BASE, GALVANIZE
S1100 / S1150 / F1100 F1150 74668 BASE, WHITE
13
S1200 / S1250 / F1200 / F1250 73288 BASE, S.S.
73141 ACCESS, COVER GALVANIZE
73291 ACCESS, COVER S.S.
14 ALL MODELS
74669 ACCESS, COVER WHITE
S600 / F600
S700 / F700 73146
15 S1100 / F1100
S1200 / F1200 73175
INSULATION, WRAP
S600 / S700 73147
F600 / F700 74225
S1100 / S1200 73176
16
F1100 / F1200 74227
INSULATION, FRONT
S600 / S700 73330
F600 / F700 74226
S1100 / S1200 73331
17
F1100 / F1200 74228
INSULATION, BACK

SEE PAGE 12 FOR PART LIST BREAKDOWN
PARTS LIST MODELS
S600E, S650E, S700E, S750E
S1100E, S1150E, S1200E, S1250E
ELECTRIC ONLY HEATERS
EXPLODED VIEW

ITEM MODEL NO. PART NO. DESCRIPTION
S600E / S650E / S700E/ S750E 80253E
1
S1100E / S1150E / S1200E S1250E 80254E
TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
ALL 120V MODELS 74031
4
ALL 240V MODELS 74032
1500W HEATING ELEMENT
ALL 120V MODELS 74563
5
ALL 240V MODELS 74607
HIGH LIMIT SWITCH
6 ALL MODELS 73129 THERMOSTAT
ALL 120V MODELS 73148
7
ALL 240V MODELS 73171
PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
S600E / S650E 73137 WRAP, GALVANIZE
S600E / S650E 74661 WRAP, WHITE
S700E / S750E 73283 WRAP, S.S.
S1100E / S1150E 73166 WRAP, GALVANIZE
S1100E / S1150E 74665 WRAP, WHITE
10
S1200E / S1250E 73287 WRAP, S.S.
S600E / S650E 73290 BACK PANEL, GALVANIZE
S600E / S650E 74667 BACK PANEL, WHITE
S700E / S750E 73290 BACK PANEL, S.S.
S1100E / S1150E 73169 BACK PANEL, GALVANIZE
S1100E / S1150E 74691 BACK PANEL, WHITE
11
S1200E / S1250E 73290 BACK PANEL, S.S.
S600E / S650E 80648 FRONT PANEL, GALVANIZE
S600E / S650E 80652 FRONT PANEL, WHITE
S700E / S750E 80650 FRONT PANEL, S.S.
S1100E / S1150E 80654 FRONT PANEL, GALVANIZE
S1100E / S1150E 80658 FRONT PANEL, WHITE
12
S1200E / S1250E 80657 FRONT PANEL, S.S
S600E / S650E 73138 BASE, GALVANIZE
S600E / S650E 74664 BASE, WHITE
S700E / S750E 73284 BASE, S.S.
S1100E / S1150E 73170 BASE, GALVANIZE
S1100E / S1150E 74668 BASE, WHITE
13
S1200E / S1250E 73290 BASE, S.S.
73141 ACCESS, COVER GALVANIZE
73291 ACCESS, COVER S.S.
14 ALL MODELS
74669 ACCESS, COVER WHITE
S600E / S650E
S700E / S750E 73146
15 S1100E / S1150E
S1200E / S1250E 73175
INSULATION, WRAP
S600E / S650E
S700E / S750E 73147
16 S1100E / S1150E
S1200E / S1250E 73176
INSULATION, FRONT
S600E / S650E
S700E / S750E 73330
17 S1100E / S1150E
S1200E / S1250E
73331
INSULATION, BACK
12

EXPLODED VIEW
SEE PAGE 14 FOR PART LIST BREAKDOWN
PARTS LIST MODELS
H2000, H2050, H2200, H2250, HF2000, HF2050, HF2200, HF2250
H2000E, H2050E, H2200E, H2250E
ALL MODELS ENDING WITH AN “E” ARE ELECTRIC ONLY

ITEM MODEL NO. PART
NO. DESCRIPTION
H2000 / H2050 / H2200 / H2250 80355 TANK ASSEMBLY
H2000E / H2050E / H2200E / H2250E 80355E TANK ASSEMBLY ELECTRIC ONLY
1
HF2000 / HF2050 / HF2200 / HF2250 80351 TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
ALL 120V MODELS 74031
4 ALL 240V MODELS 74032 1500W HEATING ELEMENT
ALL 120V MODELS 74563
5 ALL 240V MODELS 74607 HIGH LIMIT SWITCH
6 ALL MODELS 73129 THERMOSTAT
ALL 120V MODELS 73148
7 ALL 240V MODELS 73171 PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
H2000, HF2000, H2050, HF2050 74000 WRAP, GALVANIZE
H2000, HF2000, H2050, HF2050 74675 WRAP, WHITE
10
H2200, HF2200, H2250, HF2250 74001 WRAP, S.S.
H2000 / H2050 73169 BACK PANEL, GALVANIZE
H2000 / H2050 / HF2000 / HF2050 74667 BACK PANEL, WHITE
H2200 / H2250 73290 BACK PANEL, S.S.
HF2000 / HF2050 73941 BACK PANEL, GALVANIZE
11
HF2200 / HF2250 73942 BACK PANEL, S.S.
H2000 / H2050 80654 FRONT PANEL, GALVANIZE
H2000 / H2050 80658 FRONT PANEL, WHITE
H2200 / H2250 80657 FRONT PANEL, S.S.
HF2000 / HF2050 80655 FRONT PANEL, GALVANIZE
HF2000 / HF2050 80659 FRONT PANEL, WHITE
12
HF2200 / HF2250 80656 FRONT PANEL, S.S
H2000 / H2050 / HF2000 / HF2050 74002 BASE, GALVANIZE
H2000 / H2050 / HF2000 / HF2050 74668 BASE, WHITE
13
H2200 / H2250 / HF2200 / HF2250 74003 BASE, S.S.
73141 ACCESS, COVER GALVANIZE
73291 ACCESS, COVER S.S.
14 ALL MODELS
74669 ACCESS, COVER WHITE
15 ALL MODELS 74616 INSULATION, WRAP
H2200 / H2050 / H2200 / H2250 73176
16 HF2000 / HF2050 / HF2200 / HF2250 74227 INSULATION, FRONT
H2200 / H2050 / H2200 / H2250 73331
17 HF2000 / HF2050 / HF2200 / HF2250 74228 INSULATION, BACK
14

PARTS LIST MODELS
H2850EW-3000, H2850EW-4500, H2850ES-3000, H2850ES-4500
ITEM MODEL NO. PART NO. DESCRIPTION
H2850ES-3000, H2850ES-4500 80491 TANK ASSEMBLY
1 H2850EW-3000, H2850EW-4500 80491 TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
H2850ES-3000, H2850EW-3000 74715 3000W HEATING ELEMENT
4 H2850ES-4500, H2850EW-4500 75086 4500W HEATING ELEMENT
5 240V 74607 HIGH LIMIT SWITCH
6 ALL MODELS 73129 THERMOSTAT
7 ALLMODELS 73171 PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
H2850ES-3000, H2850ES-4500 75234 WRAP, S.S.
10 H2850EW-3000, H2850EW-4500 75055 WRAP, WHITE
H2850ES-3000, H2850ES-4500 73290 BACK PANEL, S.S.
11 H2850EW-3000, H2850EW-4500 74667 BACK PANEL, WHITE
H2850ES-3000, H2850ES-4500 73289 FRONT PANEL, S.S.
12 H2850EW-3000, H2850EW-4500 74666 FRONT PANEL, WHITE
H2850ES-3000, H2850ES-4500 75235 BASE, S.S.
13 H2850EW-3000, H2850EW-4500 75056 BASE, WHITE
H2850ES-3000, H2850ES-4500 73291 ACCESS, COVER S.S.
14 H2850EW-3000, H2850EW-4500 74669 ACCESS, COVER WHITE
15 ALL MODELS 74616 INSULATION, WRAP
16 ALL MODELS 73176 INSULATION, FRONT
17 ALL MODELS 73331 INSULATION, BACK
15

PARTS LIST MODELS
S1800 / S1850 / S1900 / S1950
SEE PAGE 17 FOR PART LIST BREAKDOWN

ITEM MODEL NO. PART NO. DESCRIPTION
1 ALL MODELS 80263 TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
S1800 / S1900 74031 1500W HEATING ELEMENT 120V
4 S1850 / S1950 74032 1500W HEATING ELEMENT 240V
S1800 / S1900 74563 HIGH LIMIT SWITCH 120V
5 S1850 / S1950 74607 HIGH LIMIT SWITCH 240V
6 ALL MODELS 73129 THERMOSTAT
S1800 / S1900 73148
7 S1850 / S1950 73171 PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
S1800 / S1850 73395 WRAP, GALVANIZE
S1800 / S1850 74687 WRAP, WHITE
10
S1900 / S1950 73405 WRAP, S.S.
S1800 / S1850 73396 BOTTOM PANEL, GALVANIZE.
S1800 / S1850 74688 BOTTOM PANEL, WHITE
11
S1900 / S1950 73406 BOTTOM PANEL S.S.
S1800 / S1850 73397 FRONT PANEL, GALVANIZE
S1800 / S1850 74690 FRONT PANEL, WHITE
12
S1900 / S1950 73407 FRONT PANEL S.S.
S1800 / S1850 73398 TOP PANEL, GALVANIZE
S1800 / S1850 74689 TOP PANEL, WHITE
13
S1900 / S1950 73408 TOP PANEL, S.S.
S1800 / S1850 73141 ACCESS, COVER GALVANIZE
S1800 / S1850 74669 ACCESS, COVER WHITE
14
S1900 / S1950 73293 ACCESS, COVER S.S.
15 ALL MODELS 73404 INSULATION, BOTTOM
16 ALL MODELS 73409 INSULATION, WRAP
17 ALL MODELS 73404 INSULATION, TOP
17

PARTS LIST MODELS
S1800E / S1850E / S1900E / S1950E
SEE PAGE 19 FOR PART LIST BREAKDOWN

ITEM MODEL NO. PART NO. DESCRIPTION
1 ALL MODELS 80263E TANK ASSEMBLY
2 ALL MODELS 73127 TEMPERATURE/PRESSURE VALVE
3 ALL MODELS 73124 GASKET, HEATING ELEMENT
S1800E / S1900E 74031 1500W HEATING ELEMENT 120V
4 S1850E / S1950E 74032 1500W HEATING ELEMENT 240V
S1800E / S1900E 74563 HIGH LIMIT SWITCH 120V
5 S1850E / S1950E 74607 HIGH LIMIT SWITCH 240V
6 ALL MODELS 73129 THERMOSTAT
S1800E / S1900E 73148
7 S1850E / S1950E 73171 PLATE, THERMOSTAT MOUNTING
8 ALL MODELS 73123 DRAIN VALVE
9 ALL MODELS 73145 SHIELD, WIRES
S1800E / S1850E 73395 WRAP, GALVANIZE
S1800E / S1850E 74687 WRAP, WHITE
10
S1900E / S1950E 73405 WRAP, S.S.
S1800E / S1850E 73396 BOTTOM PANEL, GALVANIZE.
S1800E / S1850E 74688 BOTTOM PANEL, WHITE
11
S1900E / S1950E 73406 BOTTOM PANEL S.S.
S1800E / S1850E 80661 FRONT PANEL, GALVANIZE
S1800E / S1850E 80664 FRONT PANEL, WHITE
12
S1900E / S1950E 80663 FRONT PANEL S.S.
S1800E / S1850E 73398 TOP PANEL, GALVANIZE
S1800E / S1850E 74689 TOP PANEL, WHITE
13
S1900E / S1950E 73408 TOP PANEL, S.S.
S1800E / S1850E 73141 ACCESS, COVER GALVANIZE
S1800E / S1850E 74669 ACCESS, COVER WHITE
14
S1900E / S1950E 73293 ACCESS, COVER S.S.
15 ALL MODELS 73404 INSULATION, BOTTOM
16 ALL MODELS 73409 INSULATION, WRAP
17 ALL MODELS 73404 INSULATION, TOP
19