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Compare the AO Smith 40-gallon gas water heaters to find the best model for your home. The comparison charts display the main differences between tank-type heaters, and it includes the technical data and main features. The article compares the first-hour rating, recovery rate, energy efficiency and igniter and anode rod type, and energy saving systems...
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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.
Specs. --------- Model |
Input (Btu) x1000 |
First Hour Delivery (GPH) |
Recovery Rate (90F) (GPH) |
Energy Factor |
Approx. Height/ Type (Inch) |
Vent Type |
Warr anty |
Effex High Efficiency | |||||||
GAHH-40 | 40 | 70 | 43 | 0.70 | 62 Tall |
A | 6 |
High Efficiency | |||||||
GCF-40 | 40 | 67 | 42 | 0.67 | 64 Tall |
A | 6 |
GCFL-40 | 40 | 67 | 42 | 0.67 | 54 Short |
A | 6 |
Conservationist | |||||||
XGV-40 | 40 | 70 | 41 | 0.63 | 62 Tall |
A | 10 |
ProMax Ultra-Low NOx | |||||||
GCNH-40 | 40 | 65 | 40 | 0.59 | 62 Tall |
A | 10 |
GNR-40 | 40 | 70 | 40 | 0.62 | 62 Tall |
A | 10 |
ProMax High Recovery / High Efficiency | |||||||
GCVT-40 | 50 | 75 | 51 | 0.59 | 62 Tall |
A | 6, 8, 10 |
GVR-40 | 40 | 70 | 41 | 0.62 | 62 Tall |
A | 6, 8, 10 |
GVRL-40 | 40 | 67 | 41 | 0.62 | 51 Short |
A | 6, 8, 10 |
ProMax | |||||||
GCV-40 | 40 | 70 | 41 | 0.59 | 62 Tall |
A | 6, 8, 10 |
GCVL-40 | 40 | 70 | 41 | 0.59 | 51 Short |
A | 6, 8, 10 |
Energy Saver Manufactured Housing | |||||||
FMV-40 | 32 35.5 |
52 | 36 | 0.63 | 61 Tall |
A | 6 |
FMD-40 | 32 | 64 | 33 | 0.59 | 56 Tall |
DV | 6 |
ProMax Power Direct Vent | |||||||
GPD-40 | 40 | 70 | 41 | 0.60 | 57 Tall |
PDV | 6, 10 |
ProMax Power Vent | |||||||
GPVL-40 | 40 | 73 | 44.7 | 0.70 | 59 Tall |
PV | 6, 10 |
GPVT-40 | 50 | 90 | 55.9 | 0.70 | 68 Tall |
PV | 6, 10 |
ProMax Power Vent Ultra Low NOx | |||||||
GPNH-40 | 42 | 69 | 42.6 | 0.68 | 59 Tall |
PV | 6 |
ProMax Direct Vent | |||||||
GDV-40 | 38 | 73 | 41 | 0.60 | 68 Tall |
DV | 6 |
ProMax Direct Vent Ultra Low | |||||||
GDNL-40 | 36 | 59 | 39 | 0.59 | 65 Tall |
DV | 6 |
ProMax SideLoop | |||||||
GCVH-40L | 40 | 70 | 41 | 0.59 | 62 Tall |
A | 6 |
GCVT-40L | 50 | 75 | 51 | 0.60 | 62 Tall |
A | 6 |
GDV-40L | 38 | 73 | 41 | 0.60 | 68 Tall |
DV | 6 |
GPD-40L | 40 | 70 | 41 | 0.60 | 57 Tall |
PDV | 6 |
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