AO Smith 50-gallon Gas Water Heaters Comparison

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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 is very helpful as it compares, side by side, important parameters in water heating with its advantages and disadvantages.


Comparing AO Smith Technical Data

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

emergency plumber

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
Anode
Rod
Advanced
Diagnostic
Intelligent
Control
Logic
Dyna-
Clean
Self-
Cleaning
Low
NOx
Design
Igniter
Vertex
GPHE-50 2 Yes Yes - Yes Electr.
GDHE-50 2 Yes - - Ultra Electr.
Effex High Efficiency
GAHH-50 1
(Power)
Yes - - Yes Electr.
High Efficiency
GCF-50 1 Yes No Yes Yes Electr.
GCFL-50 1 Yes No Yes Yes Electr.
Conservationist
XGV-50 1 Yes Yes Yes Yes Piezo
ProMax Ultra-Low NOx
GCNH-50 1 (Al) Yes Yes Yes Ultra Piezo
GCNT-50 1 (Al) Yes Yes Yes Ultra Piezo
GNR-50 1 (Al) Yes Yes Yes Ultra Piezo
ProMax High Recovery / High Efficiency
GCVT-50 1 No No Yes Yes Piezo
GCVX-50 1 No No Yes Yes Piezo
GVR-50 1 No No Yes Yes Piezo
ProMax
GCV-50 1 (Al) Yes Yes Yes Yes Piezo
GCVL-50 1 (Al) Yes Yes Yes Yes Piezo
Energy Saver Manufactured Housing
FMD-50 1 (Al) No No No Yes Piezo
ProMax Power Direct Vent
GPD-50 1 (Al) Yes No No Yes Piezo
GPDX-50 1 (Mg) Yes No No Yes Piezo
ProMax Power Vent
GPVL-50 1 No No No Yes Hot
Surface
GPVT-50 1 No No No Yes Hot
Surface
GPVX-50L 1 No No No Yes Hot
Surface
ProMax Power Vent Ultra Low NOx
GPNH-50 1 No Yes Yes Yes Piezo
ProMax Direct Vent
GDV-50 1 (Mg) No No No Yes Piezo
GDVT-50 1 (Mg) No No No Yes Piezo
ProMax Direct Vent Ultra Low
GDNT-50 1 (Mg) No No No Ultra Piezo
ProMax SideLoop
GCVT-50L 2 No No Yes Yes Piezo
GCVX-50L 2 No No Yes Yes Piezo
ProMax DV SideLoop
GDVT-50L 1 (Mg) Yes Yes No Yes Piezo
ProMax PDV SideLoop
GPDX-50L 2 (Mg) Yes Yes No Yes Hot
Surface




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