Marathon Water heaters & boilers user manuals

The list of Marathon Water heaters & boilers products contains 3 user manuals for 3 models. All pdf user’s guides are available for download or viewing online.

Click on an alphabet below to scroll to the full list of models starting with that letter

Models Document Type
MHD105245
Instruction Manual   Marathon MHD105245 Instructions / Assembly, 24 pages
MR50245
Instruction Manual   Marathon MR50245 Instructions / Assembly, 16 pages
MR40245
Use and Care Manual   Marathon MR40245 Use and Care Manual, 16 pages