Rheem 105 gallon Use & Care Manual Download Page 1

Marathon  Thermal  Storage  Tanks

The  purpose  of  this  manual  is  twofold:  

one,  to  provide  the  installer  with  the  basic  

directions  and  recommendations  for  the  

proper  installation  of  the  storage  tank;;  and  

two,  for  the  owner–operator,  to  explain  

the  features,  operation,  safety  precautions,  

maintenance  and  troubleshooting  of  the  

storage  tank.  This  manual  also  includes  a  

parts  list.
It  is  imperative  that  all  persons  who  are  

expected  to  install,  operate  or  adjust  this  

storage  tank  read  the  instructions  carefully  

so  they  may  understand  how  to  perform  

these  operations.  If  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  

storage  tank  should  be  directed  to  the  

seller  from  whom  it  was  purchased.  If  

additional  information  is  required,  refer  to  

the  section  on  “If  you  need  service.”

Do  not  destroy  this  manual.  Please  read  
carefully  and  keep  in  a  safe  place  for  
future  reference.

!

  Recognize  this  symbol  as  an  

indication  of  Important  Safety  

Information!

!

  California  Proposition  65  

Warning:  This  product  contains  

chemicals  known  to  the  State  of  

California  to  cause  cancer,  birth  

defects  or  other  reproductive  

harm.

50,  85,  &  105  Gallon

®

LISTED

44LR

120003  (09/09)          

  

Printed  in  USA

Use  &  Care  Manual

With  Installation  Instructions  for  the  Installer

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Summary of Contents for 105 gallon

Page 1: ...o not understand these instructions or any terms within it seek professional advice Any questions regarding the operation maintenance service or warranty of this storage tank should be directed to the...

Page 2: ...in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service READ THIS MANUAL Your safety and the safety of others are very important There...

Page 3: ...hored or strapped to resist falling or horizontal displacement due to earthquake motions For residential storage tanks up to 52 gallon capacity a brochure with generic earthquake bracing instructions...

Page 4: ...e storage tank in a clean dry area as near as practical to the area of greatest heated water demand Long un insulated hot water lines can waste energy and water The storage tank and water lines should...

Page 5: ...reate a rapid and dangerous pressure increase in the storage tank and system piping This rapid pressure increase can quickly reach the safety setting of the relief valve causing it to operate during e...

Page 6: ...emove or tamper with the vacuum relief valve for any reason Doing so will void the manufacturer s warranty The vacuum relief valve which must be used when installing the storage tank is factory instal...

Page 7: ...ER WITH CARE If sweat connections are used do NOT apply heat directly to any component directly connected to the storage tank This includes the cold water connection hot water connection temperature a...

Page 8: ...e 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 suita...

Page 9: ...erty 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...

Page 10: ...Air purged from storage tank 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...

Page 11: ...your storage tank will provide years of dependable trouble free service It is suggested that a routine preventive maintenance program be established and followed by the user At least once a year lift...

Page 12: ...to Do Rumbling noise upon start up Normal settling of internal compo nents z No action required Relief valve producing popping noise or draining Pressure build up caused by thermal expansion in a clo...

Page 13: ...lief Valve 6 Nipple 3 4 NPT x 3 7 Reducer Bushing 3 4 NPT x 1 NPT 105 Gallon Only 8 Knock Out Bracket 9 Screw 8 x 3 4 10 Junction Box Cover 11 Screw 8 16 x 5 8 12 Water Connection Fitting 13 Screw SHC...

Page 14: ...14 Replacement Parts 50 85 105 gallon models 5 6 7 8 9 10 11 14 15 16 18 3 14 15 16 13 12 17 13 12 17 7...

Page 15: ...following address 3107 Sibley Memorial Highway Eagan MN 55121 1604 Phone 1 800 321 6718 When contacting the manufacturer the following information will be requested a Model and serial number of the s...

Page 16: ...ge from abuse accident fire flood freeze and the like 3 To damage or failure caused by operating the unit with an empty or partially empty tank 4 In the event the tank failure occurs due to the storag...

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