Current DOE CCMS record

ORBEK HS120A1W-NG Water Heater Specifications

Source facts reported to DOE for this exact model identifier.

Key specifications

DOE-reported brand
ORBEK
Exact model number
HS120A1W-NG
DOE heater type
Instantaneous Gas-fired Water Heater
Rated storage volume
0 gallons
Draw pattern
Medium
UEF
0.82
Maximum flow rate
2.9 gallons/minute
Recovery efficiency
81%

DOE source details

DOE basic model number(s)
HS120

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.