AO Smith 30-gallon Gas Water Heaters - Comparison
Compare the AO Smith 30-gallon gas water heaters, side by side in the easy to use comparison chart. Check the main technical data (specifications) also features such as the self-diagnostic system, low NOx gas combustion system and more...
Technical data comparison
| Specs. --------- Model |
Input (Btu) x1000 |
First Hour Delivery (GPH) |
Recovery Rate (90F) (GPH) |
Energy Factor |
Approx. Height/ Type (Inch) |
Vent Type |
Warr anty |
| ProMax Ultra-Low NOx | |||||||
| GCNH-30 | 30 | 50 | 31 | 0.61 | 60 Tall |
A | 10 |
| ProMax Plus High Efficiency | |||||||
| GVR-30 | 35.5 | 67 | 36 | 0.62 | 61 Tall |
A | 6, 8, 10 |
| ProMax | |||||||
| GCV-30 | 35.5 | 67 | 36 | 0.61 | 61 Tall |
A | 6, 8, 10 |
| GCVL-30 | 35.5 | 60 | 36 | 0.61 | 50 Short |
A | 6, 8, 10 |
| Energy Saver Manufactured Housing | |||||||
| FMV-30 | 32 35.5 |
52 | 36 | 0.63 | 61 Tall |
A | 6 |
| FMD-30 | 30 | 54 | 31 | 0.61 | 56 Short |
DV | 6 |
Vent type:
A-Atmospheric, PV-Power Vent, DV-Direct Vent
Gas type:
N - Natural gas, P - Propane
Models with the energy factor, EF, of 0.67 and over are Energy Star.
Features comparison
| Features --------- Model |
Anode Rod |
Advanced Diagnostic |
Guardian System |
DynaClean Self- Cleaning |
Low NOx Design |
Igniter |
| ProMax Ultra-Low NOx | ||||||
| GCNH-30 | 1 (Al) | Yes | No | Yes | Ultra | Pilot |
| ProMax Plus High Efficiency | ||||||
| GVR-30 | 1 (Al) | No | No | Yes | Yes | Pilot |
| ProMax | ||||||
| GCV-30 | 1 (Al) | Yes | No | Yes | Yes | Pilot |
| GCVL-30 | 1 (Al) | Yes | No | Yes | Yes | Pilot |
| Energy Saver Manufactured Housing | ||||||
| FMV-30 | 1 (Al) | No | No | No | Yes | Pilot |
| FMD-30 | 1 (Al) | No | No | No | Yes | Pilot |
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