Rheem Marathon Thermal Storage Tanks Innovative Solutions for Alternative Energy Systems

Rheem Marathon Thermal Storage Tanks | Durable, Efficient, and Versatile

The Rheem Marathon Thermal Storage Tank series represents the pinnacle of innovation in alternative energy storage solutions. Designed specifically for solar, geothermal, and indirect heating applications, these tanks offer unparalleled durability, efficiency, and versatility.

Series Overview

The Marathon series includes seven models ranging from 50 to 105 gallons, catering to various residential and light commercial needs. Models are available with or without backup heating elements, and in two-port or three-port configurations for maximum installation flexibility.

Key Features

1. Corrosion-Resistant Construction: Each tank features a seamless, blow-molded polybutene inner tank that's impervious to rust and corrosion, ensuring long-lasting performance.
2. Unmatched Strength: Multiple layers of filament-wound fiberglass surrounding the inner tank provide exceptional durability and structural integrity.
3. Impact-Resistant Exterior: A tough, molded polyethylene outer shell resists dents and scratches, maintaining the tank's appearance over time.
4. Efficient Backup Heating: Select models include a 4500-watt backup heating element with a titanium sheath for superior resistance to lime build-up.
5. Flexible Installation: Large water connections ensure lower pressure drop, while multiple port options allow for easy integration into various system designs.
6. Sediment Management: A unique bowl-shaped bottom design facilitates complete sediment removal, prolonging the life of the tank.
7. Safety Features: All models come with factory-installed temperature and pressure relief valves, as well as a vacuum relief valve.

Model Range

• MTS50200: 50-gallon capacity, ideal for smaller installations
• MTS85200, MTS85245, MTS85345: 85-gallon capacity, suitable for medium to large residential applications
• MTS105200, MTS105245, MTS105345: 105-gallon capacity, perfect for large residential or light commercial use

Models ending in "245" or "345" include a 4500-watt backup heating element, while those ending in "345" feature three ports for maximum installation flexibility.

Performance Specifications

• Maximum Test Pressure: 300 PSI
• Maximum Working Pressure: 150 PSI
• Maximum Water Temperature: 180°F

Rheem Marathon Thermal Storage Tank Specifications Table

Note: All models have a maximum test pressure of 300 PSI, maximum working pressure of 150 PSI, and maximum water temperature of 180°F.

Warranty

Rheem stands behind the quality of the Marathon series with an industry-leading warranty:

• Lifetime limited warranty on the tank
• 6-year limited warranty on parts

The Rheem Marathon Thermal Storage Tank series combines innovative design, robust construction, and flexible configuration options to meet the diverse needs of alternative energy systems. Whether you're installing a new solar water heating system or upgrading an existing geothermal setup, there's a Marathon model designed to optimize your energy storage capabilities.