Rheem Marathon Eclipse: Non-Metallic Electric Water Heater - Light-Duty 105 gal. Commercial 277V 12kW (Field Convertible)

The Rheem Marathon Eclipse: Non-Metallic Electric Water Heater - Light-Duty 105 gal. Commercial 277V 12kW (Field Convertible) is a Rheem Marathon Eclipse light-duty commercial electric water heater using a non-metallic tank design for corrosion resistance. It is built for commercial sites that need higher storage volume with flexible electrical configuration.

Rheem Marathon Eclipse literature emphasizes field-level conversion, 75/85/105-gallon capacities, 208/240/277/480 voltage options, and a durable molded tank construction. This makes the product well suited to light-duty commercial applications where steel tank corrosion is a concern.

Product Features:

• 105-Gallon Eclipse Capacity: Marathon Eclipse light-duty platform is listed in 75, 85, and 105 gallon capacities; this item is the 105-gallon version.
• 277V / 12kW Configuration: Commercial listing identifies the light-duty Eclipse model with 12kW electric input.
• Field-Convertible Wiring: Rheem literature states standard models can convert simultaneous/non-simultaneous and single/three-phase operation.
• Polybutene Non-Metallic Tank: Marathon Eclipse uses a seamless blow-molded tank that is impervious to rust and corrosion.
• Titanium Elements: Distributor listing notes titanium upper and lower elements for lime-scale resistance.
• No Anode Rod Required: All-plastic tank construction eliminates the sacrificial anode rod used in steel tanks.
• 10-Year Limited Tank Warranty: Commercial listing identifies a 10-year limited tank warranty for Marathon Eclipse.

Warranty

This product includes a manufacturer’s limited warranty. Verify voltage, phase, element wattage, breaker sizing, plumbing connections, installation location, and local code requirements before installation.