AO Smith 40-gallon Gas Water Heaters Comparison

Reviews  | Submit a Review

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...


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
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

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
Guardian
System
DynaClean
Self-
Cleaning
Low
NOx
Design
Igniter
Effex High Efficiency
GAHH-40 1 No No No Yes Electr.
High Efficiency
GCF-40 1 Yes No Yes Yes Electr.
GCFL-40 1 Yes No Yes Yes Electr.
Conservationist
XGV-40 1 (Mg) Yes No Yes Yes Piezo
ProMax Ultra-Low NOx
GCNH-40 1 (Al) Yes No Yes Yes Piezo
GNR-40 1 (Al) Yes No Yes Yes Piezo
ProMax High Recovery
GCVT-40 1 No No Yes Yes Piezo
ProMax High Efficiency
GVR-40 1 (Al) No No Yes Yes Piezo
GVRL-40 1 (Al) No No Yes Yes Piezo
ProMax
GCV-40 1 (Al) Yes No Yes Yes Piezo
GCVL-40 1 (Al) Yes No Yes Yes Piezo
Energy Saver Manufactured Housing
FMV-40 1 (Al) No No No Yes Electr.
FMD-40 1 (Al) No No No Yes Electr.
ProMax Power Direct Vent
GPD-40 1 (Al,
Mg)
Yes No No Yes Hot
Surface
ProMax Power Vent
GPVL-40 1 (Al,
Mg)
Yes No No Yes Hot
Surface
GPVT-40 1 (Al,
Mg)
Yes No No Yes Hot
Surface
ProMax Power Vent Ultra Low NOx
GPNH-40 1 Yes No Yes Yes Piezo
ProMax Direct Vent
GDV-40 1 (Mg) No No No Yes Piezo
ProMax Direct Vent Ultra Low
GDNL-40 1 (Mg) No No No Ultra Piezo
ProMax SideLoop
GCVH-40L 2 No No Yes Yes Piezo
GCVT-40L 2 No No Yes Yes Piezo
GDV-40L 1 (Mg) Yes No No Yes Piezo
GPD-40L 2 Yes No No Yes Hot
Surface



Similar 40 gallons gas water heaters


water heaters