Current DOE CCMS record

MARATHON MELDS50 Water Heater Specifications

Source facts reported to DOE for this exact model identifier.

Key specifications

DOE-reported brand
MARATHON
Exact model number
MELDS50
DOE heater type
Electric Storage Water Heater
Rated storage volume
48 gallons
Draw pattern
Low
UEF
0.9
EF
0.95
First hour rating
41 gallons
Recovery efficiency
98%

DOE source details

DOE basic model number(s)
MSR50245 C

Source & freshness

DOE CCMS source page

Source snapshot retrieved: September 21, 2026

These records were reported to DOE. Appearance here is not a DOE compliance determination, independent test, or approval.