Current DOE CCMS record
A. O. Smith GT15TM-199X3-N Water Heater Specifications
Source facts reported to DOE for this exact model identifier.
Key specifications
- DOE-reported brand
- A. O. Smith
- Exact model number
- GT15TM-199X3-N
- DOE heater type
- Instantaneous Gas-fired Water Heater
- Rated storage volume
- 1 gallons
- Draw pattern
- High
- UEF
- 0.95
- Maximum flow rate
- 6 gallons/minute
- Recovery efficiency
- 96%
DOE source details
- DOE basic model number(s)
- ATM-199M-N 1**
Source & freshness
Source snapshot retrieved: September 21, 2026
These records were reported to DOE. Appearance here is not a DOE compliance determination, independent test, or approval.