Marathon offers 3 50 gallon water heaters models in the lineup we track. This page is the Marathon-specific cut of the broader 50-Gallon Water Heaters water heaters category — same product class, narrowed to the Marathon catalog only.
Marathon (Rheem) — subsidiary of Rheem. Specialty water-heater manufacturer serving the US market.
For the complete Marathon lineup across all sub-types and capacities, see the Marathon Water Heaters hub.
If you're cross-shopping 50 gallon water heaters beyond Marathon, the following brands also ship in this category:
The 50-gallon water heater is the volume residential size in the US — roughly 50% of all replacement installs are 50-gallon units. It's the right capacity for 3–4 person households running 1–2 bathrooms, accommodates morning shower stacking, and fits the install footprint that nearly every US home accommodates. With 295 monthly searches for "50 gallon water heater" specifically, it's also the most-shopped capacity.
Explore Marathon from other angles: