AO Smith 50-gallon Gas Water Heaters - Comparison
Compare the gas input, recovery rate, first-hour rate, warranties and top features among all AO Smith 50-gallon gas water heaters, to find the best model to use in residential applications. The charts are very helpful as it compares, side by side, important parameters in water heating with its advantages and disadvantages.
Water Heater Problems?
Get Free Plumbing Quotes!
Technical data comparison
| Specs. --------- Model |
Input (Btu) x1000 |
First Hour Delivery (GPH) |
Recovery Rate (90F) (GPH) |
Energy Factor EF |
Approx. Height/ Type (Inch) |
Vent Type |
Warr anty |
| Professional Classic Manufactured Housing | |||||||
| PROG30-32N RH61 MH | 32 | 48 | 32.3 | 0.61 | 60 Tall |
A |
6 |
| Professional Classic | |||||||
| PROG29-32N RH62 | 32 | 50 | 32.3 | 0.62 | 60 Tall |
A |
6/10 |
| PROG29-30P RH62 | 30 | 50? | 30.3 | 0.62 | 60 Tall |
A | 6/10 |
| PROG30S-30N RH61 | 30 | 50 | 30.3 | 0.61 | 50 Short |
A | 6/10 |
| Professional Classic Manufactured Housing | |||||||
| PROG30-30N RH61 MH DV | 30 | 51 | 30.3 | 0.61 | 57 Tall |
DV | 6 |
| Professional Classic Plus Induced Draft | |||||||
| PRO+G29-60N RH70 ID | 60 | 90 | 61 | 0.70 | 65 Tall |
ID | 8/12 |
| Professional Classic Ultra Low NOx | |||||||
| PROG28-30U RH62 | 30 | 53 | 30.3 | 0.62 | 59 Tall |
A | 6/10 |
Vent type:
A-Atmospheric, PV-Power Vent, DV-Direct Vent, PDV-Power 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
| Specs. --------- Model |
Input (Btu) x1000 |
First Hour Delivery (GPH) |
Recovery Rate (90F) (GPH) |
Energy Factor |
Approx. Height/ Type (Inch) |
Vent Type |
Warr anty |
| Vertex | |||||||
| GPHE-50 | 76 | 127 | 92 | 90% | 71 Tall |
PV | 6 |
| GDHE-50 | 40 | 164 | 129 | 96% | 67 Tall |
PDV | 6 |
| Effex High Efficiency | |||||||
| GAHH-50 | 40 | 81 | 43 | 0.70 | 61 Tall |
A | 6 |
| High Efficiency | |||||||
| GCF-50 | 40 | 81 | 42 | 0.67 | 64 Tall |
A | 6 |
| GCFL-50 | 40 | 86 | 42 | 0.67 | 56 Short |
A | 6 |
| Conservationist | |||||||
| XGV-50 | 40 | 88 | 41 | 0.62 | 61 Tall |
A | 10 |
| ProMax Ultra-Low NOx | |||||||
| GCNH-50 | 40 | 75 | 41 | 0.58 | 61 Tall |
A | 10 |
| GCNT-50 | 50 | 90 | 52 | 0.59 | 64 Tall |
A | 10 |
| GNR-50 | 40 | 75 | 41 | 0.62 | 61 Tall |
A | 10 |
| ProMax High Recovery / High Efficiency | |||||||
| GCVT-50 | 50 | 90 | 51 | 0.58 | 61 Tall |
A | 6, 8, 10 |
| GCVX-50 | 65 | 93 | 67 | 0.58 | 64 Tall |
A | 6, 8, 10 |
| GVR-50 | 40 | 88 | 41 | 0.62 | 61 Tall |
A | 6, 8, 10 |
| ProMax | |||||||
| GCV-50 | 40 | 88 | 41 | 0.58 | 61 Tall |
A | 6, 8, 10 |
| GCVL-50 | 40 | 93 | 41 | 0.61 | 53 Short |
A | 6, 8, 10 |
| Energy Saver Manufactured Housing | |||||||
| FMD-50 | 38 | 77 | 39 | 0.58 | 56 Tall |
DV | 6 |
| ProMax Power Direct Vent | |||||||
| GPD-50 | 40 | 87 | 41 | 0.59 | 66 Tall |
PDV | 6, 10 |
| GPDX-50 | 65 | 105 | 64 | 0.58 | 69 Tall |
PDV | 6, 10 |
| ProMax Power Vent | |||||||
| GPVL-50 | 40 | 90 | 44.7 | 0.70 | 60 Tall |
PV | 6, 10 |
| GPVT-50 | 50 | 96 | 55.9 | 0.70 | 68 Tall |
PV | 6, 10 |
| GPVX-50L | 62 | 110 | 69.3 | 0.70 | 61 Tall |
PV | 6, 10 |
| ProMax Power Vent Ultra Low NOx | |||||||
| GPNH-50 | 42 | 81 | 42.6 | 0.68 | 58 Tall |
PV | 6 |
| ProMax Direct Vent | |||||||
| GDV-50 | 42 | 87 | 45 | 0.59 | 76 Tall |
DV | 6 |
| GDVT-50 | 50 | 88 | 55 | 0.58 | 76 Tall |
DV | 6 |
| ProMax Direct Vent Ultra Low | |||||||
| GDNT-40 | 38 | 81 | 41 | 0.58 | 73 Tall |
DV | 6 |
| ProMax SideLoop | |||||||
| GCVT-50L | 50 | 90 | 51 | 0.58 | 61 Tall |
A | 6 |
| GCVX-40L | 65 | 93 | 67 | 0.58 | 64 Tall |
A | 6 |
| GDVT-50L | 50 | 88 | 55 | 0.58 | 76 Tall |
DV | 6 |
| GPDX-50L | 65 | 105 | 64 | 0.58 | 69 Tall |
PDV | 6 |
Related articles
ProLine gas series review
Vertex review
Effex gas
Infinity tankless series review
ProLine electric
Voltex heat pump review
Power vent models
Direct vent models
30-gal gas comparison
40-gal gas comparison
50-gal gas comparison
top reviews
Popular on Amazon!
