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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...
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 --------- 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 |