Rheem Marathon Electric Tank Water Heater: 50 gal., Short, 4500/4500-Watt Elements, Non-Metallic, Lifetime

The Rheem Marathon Electric Tank Water Heater: 50 gal., Short, 4500/4500-Watt Elements, Non-Metallic, Lifetime is a Rheem Marathon non-metallic electric tank water heater built around a rust-resistant polybutene tank. It is designed for long service life in residential applications where corrosion resistance is a major priority.

Rheem Marathon literature emphasizes seamless blow-molded tank construction, fiberglass reinforcement, electric element heating, and no sacrificial anode rod. The listed gallon size and tall or short cabinet format should be matched to the installation space.

Product Features:

• 50-Gallon Short Marathon Tank: Capacity and cabinet height match the listed residential Marathon configuration.
• Seamless Polybutene Tank: Rheem Marathon literature describes a blow-molded polybutene tank impervious to rust and corrosion.
• Fiberglass-Wound Strength: Multiple fiberglass layers reinforce the non-metallic pressure vessel.
• No Anode Rod Needed: Non-metallic tank construction eliminates sacrificial anode replacement.
• 4500/4500-Watt Elements: Product title identifies dual 4500-watt electric elements.
• 150 PSI Working Pressure: Marathon literature lists maximum working pressure at 150 PSI.
• Lifetime Tank Warranty Class: Rheem markets residential Marathon tanks with lifetime tank warranty positioning.

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.