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LIMITED WARRANTY

Marathon Electric Water Heaters

EXCLUSIVE WARRANTY – LIMITATION OF LIABILITY

This Limited Warranty is the only Warranty for this unit given by Water Heater Innovations, a subsidiary of Rheem Manufacturing Company. No one 
is authorized to make any other warranties on our behalf.  ANY IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, OR FITNESS FOR A 
PARTICULAR PURPOSE, SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED PREVIOUSLY.  RHEEM’S SOLE 
LIABILITY, WITH RESPECT TO ANY DEFECT, SHALL BE AS SET FORTH IN THIS LIMITED WARRANTY, AND ANY CLAIMS FOR INCIDENTAL OR 
CONSEQUENTIAL DAMAGES (INCLUDING DAMAGE FROM WATER LEAKAGE) ARE EXCLUDED.  Some states do not allow limitations on how long 
an implied warranty lasts, or for the exclusion of incidental or consequential damages, so the above limitations or exclusions may not apply to you.

This Limited Warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.

We suggest you immediately complete the information below and retain it in the event warranty service is needed. Reasonable proof of the date of 
installation of your water heater may be required to establish its “in-warranty” status. Otherwise, the Effective Date of this Limited Warranty will be the 
date of manufacture of the water heater plus ninety (90) days.

GENERAL

Water Heater Innovations, Inc. warrants its products to be free from factory defects in materials and workmanship, under normal use and service, 
for the Applicable Warranty Period.  At its option, Water Heater Innovations will repair or replace the defective water heater, or defective component 
part(s), in accordance with the terms of this Limited Warranty, if it fails in normal use and service during the Applicable Warranty Period.  The 
replacement water heater must be manufactured by Water Heater Innovations.  The replacement component part(s) must be Water Heater 
Innovations authorized component part(s).  The replacement unit will be warranted only for the unexpired portion of the original unit’s Applicable 
Warranty Period.  

WARRANTY EXCLUSIONS

This Limited Warranty will 

not

 cover:

a)  Service trips to your home to teach you how to install, use, or maintain this water heater or to bring the water heater installation into compliance with local 

building codes and regulations.

b) Damages, malfunctions or failures resulting from failure to install the water heater in accordance with applicable building codes/ordinances or good plumbing 

and electrical trade practices.

c)  Damages, malfunctions, or failures resulting from improper installation or failure to operate and maintain the water heater in accordance with the manufac-

turer’s instructions provided.

d) Performance problems caused by improper sizing of the water heater or electric service voltage, wiring, or fusing.

e) Damages, malfunctions, or failures caused by operating the water heater with modified, altered, or unapproved parts installed. 

f)  Damages, malfunctions, or failures caused by abuse, accident, fire, flood, freeze, lightning, acts of God, and the like.

g)  Tank failures (leaks) caused by operating the water heater in a corrosive or contaminated atmosphere.

h) Damages, malfunctions, or failures caused by operating the water heater with an empty, or partially empty, tank (also known as “dry firing”).

i)  Damages, malfunctions, or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating, or high limit, control.

j)  Tank failures caused by operating the water heater when it is not supplied with potable water, free to circulate at all times.

k)  Damages, malfunctions or failures caused by subjecting the tank to pressures greater than those shown on the rating label.

l)  Damages, malfunctions or failures resulting from the use of any attachment, including any energy saving device, not authorized by Water Heater Innovations.

m) Units installed outside the fifty states (and the District of Columbia) of the United States of America and the provinces of Canada without prior authorization 

from Water Heater Innovations.

n) Units that have had their rating labels removed. A water heater should not be operated if the rating label is removed.

LABOR, SHIPPING, AND PROCESSING COSTS

This Limited Warranty does 

not 

cover any 

labor expenses 

for service, repairs, reinstallation, permits, or removal and disposal of the failed water 

heater, or defective component part(s). All such expenses are your responsibility.  

Water Heater Innovations will pay the 

transportation costs 

for an “in-warranty” replacement water heater, or “in-warranty” replacement component 

part(s), to a convenient delivery point (selected by Water Heater Innovations) near the place the original water heater, or original component part(s), is 
located.  You must pay any local freight charges, including the cost of returning the failed water heater, or defective component part(s) to a convenient 
shipping location (selected by Water Heater Innovations).  

Water Heater Innovations does 

not 

authorize, recommend, or receive any benefit from any 

claims processing or similar fees 

charged by others to 

process warranty claims for any Water Heater Innovations water heater or component part(s).  Water Heater Innovations will 

not 

reimburse any party 

for these, or any other, fees not specifically covered in this Limited Warranty document.

Summary of Contents for Single Element

Page 1: ...you do not understand these instructions or any terms within it seek professional advice Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the warranty Do not destroy this manual Please read carefully and keep in a safe place for future reference Recog...

Page 2: ...e of your water heater You ll find many answers to common problems in the Before You Call For Service section If you review our chart of Troubleshooting Tips first you may not need to call for service at all READ THIS MANUAL Your safety and the safety of others are very important There are many important safety messages in this manual and on your appliance Always read and obey all safety messages ...

Page 3: ... this manual for detailed instructions in how to adjust the thermostat s DANGER Hotter water increases the potential for Hot Water SCALDS D A N G E R HOT Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or s...

Page 4: ... Office of the State Architect 1102 Q Street Suite 5100 Sacramento CA 95811 or you may call 916 445 8100 or ask a water heater dealer However applicable local codes shall govern installation For residential water heaters of a capacity greater than 52 gallons consult the local building jurisdiction for acceptable bracing procedures Read and follow this Safety Information carefully SAVE THESE INSTRU...

Page 5: ...actical to the area of greatest heated water demand Long un insulated hot water lines can waste energy and water Place the water heater in such a manner that the thermostat and element access panels can be removed to permit inspection and servicing such as removal of elements or checking controls The water heater and water lines should be protected from freezing temperatures Do not install the wat...

Page 6: ...he water heater and system piping This rapid pressure increase can quickly reach the safety setting of the relief valve causing it to operate during each heating cycle Thermal expansion and the resulting rapid and repeated expansion and contraction of components in the water heater and piping system can cause premature failure of the relief valve and possibly the heater itself Replacing the relief...

Page 7: ...e approved for hot water distribution The discharge line must be no smaller than the outlet of the valve and must pitch downward from the valve to allow complete drainage by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in...

Page 8: ...oid damaging the unit WARNING Failure to follow the instructions provided in this manual may permanently damage the unit and void the manufacturer s warranty NOTICE Do not attempt to turn any fitting connected to the water heater union hex nuts that are tightened Doing so will damage the water heater and void the manufacturer s warranty NOTICE Auxiliary catch pan MUST conform to local codes The wa...

Page 9: ... using metal strapping or wire fastened to the structure overhead Seal Ring Inside nut Hex Union Nut Relief Valve No threads permitted on end of Drain Pipe 6 Maximum distance from drain pipe to suitable open drain Cold Inlet Shut Off Thermal Expansion Tank if required See thermal expansion section on page 6 Heat Trap 6 Minimum Pre solder 12 minimum stub pipes before installing to unit Hot Water Ou...

Page 10: ...the water heater The branch circuit wiring should include either Metallic conduit or metallic sheathed cable approved for use as a grounding conductor and installed with fittings approved for the purpose Non metallic sheathed cable metallic conduit or metallic sheathed cable not approved for use as a ground conductor shall include a separate conductor for grounding It should be attached to the gro...

Page 11: ...zeAWG Based on N E C Table 310 16 75 C 120V 240V 120V 240V 2 000 20 12 3 000 20 12 3 800 20 12 4 500 25 10 11 Wiring Diagrams SINGLE ELEMENT 2 1 2 THERMOSTAT HIGH TEMP LIMIT ECO HEATING ELEMENT WHITE YELLOW BLACK H JUNCTION BOX N 1 G BRANCH CIRCUIT TO ELECTRICAL DISTRIBUTION PANEL 2 1 2 THERMOSTAT HIGH TEMP LIMIT ECO HEATING ELEMENT BLUE YELLOW BLACK L1 G BRANCH CIRCUIT TO ELECTRICAL DISTRIBUTION ...

Page 12: ...r The use of unauthorized energy saving devices may shorten the life of the water heater and may endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices CAUTION If local codes require the application of an external insulation blanket to this water heater pay careful attention to the following so as not to ...

Page 13: ... room to service heater Water heater completely filled with water Air purged from water heater and piping Water connections tight and free of leaks Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Discharge line protected from freezing Power Supply voltage agrees with water heater rating plate Branch circuit wire and fusing or circuit breaker of proper ...

Page 14: ...ain until it has been thoroughly checked by qualified service personnel DANGER There is a hot water scald potential if the thermostat is set too high Households with small children disabled or elderly persons may require a 120 F 49 C or lower thermostat setting to prevent contact with HOT water Water Temperature Setting The temperature of the water in the water heater can be regulated by setting t...

Page 15: ...tion pads The thermostat protective cover should not be removed Using a small screwdriver set the thermostat dial pointer to the desired temperature by turning the screw Do not pry or move the white plastic pointer Replace the rectangular insulation and thermostat access panel Secure the panel to the unit using the 4 screws provided Tighten the screws until only snug Replace the access panel cover...

Page 16: ...arge line to an open drain A water heater s tank can act as a settling basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank It is suggested that a few quarts liters of water be drained from the water heater s tank every month to clean the tank of these deposits Rapid closing of faucets or solenoid valves in automatic w...

Page 17: ...ake sure electric supply to water heater and disconnect switch if used are in the ON position The thermostat may be set too low See the Temperature regulation of the water heater section of this manual Leaking or open hot water faucets Make sure all faucets are closed Electric service to your home may be interrupted Contact the local electric utility Improper wiring See the Installing the water he...

Page 18: ...Screw 8 16 x 5 8 12 Upper Thermostat 13 Upper Protector 14 Screw 10 16 x 5 8 15 Thermostat Cavity Insulation 16 Upper Access Panel 17 Screw 10 16 x 5 8 18 Access Panel Cover Insulation 19 Access Panel Cover 20 Element Gasket 21 Upper Heating Element Includes Key No 20 22 Lower Thermostat 23 Lower Protector 24 Lower Access Panel 25 Lower Heating Element Includes Key No 20 26 Drain Valve 27 5 16 18 ...

Page 19: ...19 Replacement Parts 30 105 gallon models 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 19 18 17 24 15 14 23 22 25 20 26 7 3 ...

Page 20: ...Replacement Parts 15 20 gallon models 20 ...

Page 21: ... available for purchase through your water heater distributor NOTICE Make sure the threads on the unit are clean Brush debris off of threads with a toothbrush if needed NOTICE The elements are unique to the upper and lower port Make certain the replacement element is correct for the port into which you are installing it 9 On the new element make certain the element gasket is in place and not twist...

Page 22: ... resulting from improper installation or failure to operate and maintain the water heater in accordance with the manufac turer s instructions provided d Performance problems caused by improper sizing of the water heater or electric service voltage wiring or fusing e Damages malfunctions or failures caused by operating the water heater with modified altered or unapproved parts installed f Damages m...

Page 23: ...ment regulations or industry certification or similar standards require the replacement water heater or replacement component part s to have features not found in the defective water heater or the defective component part s you will be charged for the difference in price represented by those required features If you pay the price difference for those required features and or to upgrade the size an...

Page 24: ...ner Information Name Address Plumber Mechanical Contractor Installer Information Name Address Telephone Number Water Heater Information Model Number Serial Number Date of Installation FOR YOUR RECORDS NOTES ...

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