The Rheem Marathon is the water heater of a lifetime. Because it’s the only water heater you’ll need in your home’s lifetime.

The Rheem Marathon Vs. Competitor's Stainless Steel Tank

Feature Comparison Plastic Tank (Marathon) Competitor's Stainless Steel Tank
Number of Replacement Units Allowed Perpetual 1 allowed per customer
Warranty Restriction due to Water Condition No Yes
Warranty Restriction due to Water Temperature No Yes
Warranty Transferable** Yes No
Low Product Weight Yes No
Dry Fire Protection Yes No
Element Titanium Stainless Steel
Dent / Corrosion Resistant Jacket Yes No
Salt Water Resistant Jacket Yes No

The Rheem Marathon Vs. Rheem Standard Electric Steel Tank

Feature Comparison Plastic Tank (Marathon) Competitor's Stainless Steel Tank
Lifetime Savings on Water Heater Replacement $5,744*** 0
Low Product Weight Yes No
Dry Fire Protection Yes No
Element Titanium Copper
Anode Rod Needed No Yes
Corrosion Resistant Yes No
Warranty* Lifetime 6 years
Water Heaters Needed Over Lifetime 1 16****
Dent / Corrosion Resistant Jacket Yes No
Salt Water Resistant Jacket Yes No

*Warranty is provided to original customer in a residential application after online product registration is complete. Registration must be completed within 90 days of installation. See warranty certificate for complete information.

**See warranty certificate for complete information

***Based on comparison for a 50-gallon standard residential electric water heater at an average price point of $359 multiplied by number of water heaters needed for replacement

****Lifetime for U.S. defined as 99 years and replacing a standard electric water heater with a 6-year warranty