Current DOE CCMS record

RHEEM CNRHE40SP Water Heater Specifications

Source facts reported to DOE for this exact model identifier.

Key specifications

DOE-reported brand
RHEEM
Exact model number
CNRHE40SP
DOE heater type
Gas-fired Storage Water Heater
Rated storage volume
37 gallons
Draw pattern
Medium
UEF
0.75
First hour rating
68 gallons
Recovery efficiency
87%

DOE source details

DOE basic model number(s)
RHE40SP

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.