[ Ссылка ] Rheem Marathon is a pretty awesome tank water heater but what's making them so good? Lets cut one and find out... I'm in Boston for Building Science Camp and stopped by to visit some Builder Buddies. [ Ссылка ] and [ Ссылка ] While I was at Nick Schiffer's shop we were talking about the Rheem Marathon in the corner. Incredibly efficient tank with (I think) tons of insulation. We decided to cut this one open and video it!

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