Current DOE CCMS record

RHEEM 42XR40-40F3 Water Heater Specifications

Source facts reported to DOE for this exact model identifier.

Key specifications

DOE-reported brand
RHEEM
Exact model number
42XR40-40F3
DOE heater type
Gas-fired Storage Water Heater
Rated storage volume
38 gallons
Draw pattern
High
UEF
0.66
First hour rating
84 gallons
Recovery efficiency
80%

DOE source details

DOE basic model number(s)
PROG40-40N RH62

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.