Rheem Electric Marathon Series Heater Tanks

Marathon non-metallic electric water heaters are durable, lightweight, and warranted not to leak as long as you own your home*

Non-metallic Tank Features:

• Seamless, blow-molded, polybutene tank – impervious to rust and corrosion
• Multiple layers of filament wound fiberglass give the tank unmatched strength
• Polyurethane insulation helps reduce energy consumption
• Recessed drain valve is out of the way brooms and scrubbers
• High temperature polysulfone dip tube
• Tough molded polyethylene outer shell resists dents, scratches, and salt air

Efficiency

• .90 – .92 UEF
• Well insulated for reduced standby heat loss
• Pipe wrap energy saving kit included to achieve maximum energy savings

Performance

• FHR: 37 – 83 gallons, depending on model
• Recovery: 21 GPH at a 90° F rise

Easy Installation & Service

• Marathon’s lightweight tank is easier to maneuver and position. Bowl shaped tank bottom drains completely.
• Bowl shaped tank bottom allows complete sediment draining
• Water tight grommets keep out overhead moisture and condensation

Plus…

• Thermally fused upper element provides protection against dry-firing
• Titanium lower element for superior resistance to lime build-up
• Full-flow, brass drain valve
• Temperature and pressure relief valve
• Low Lead compliant
• Standard replacement parts