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Download this Rheem PTG-53XN manual for free.
Owner's manuals have a variety of uses but one important use for this paloma on demand 5.3 gpm at 45 degree rise 141,000 btu natural gas outdoor tankless hot water heater manual is to lookup spare part numbers or find the correct name of a part ;)
Once you find the right name or part number then you can go back and lookup the spare parts that you need!
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