A. O. Smith ATO-520H-P User Manual
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Residential Electric
Model Number Energy Factor (Hybrid Mode) $ Annual Estimated Cost
PHPT-60 2.33 $201
PHPT-80 2.33 $201
Model Number Energy Factor $ Annual Estimated Cost
PXHT-40 Tall Models 0.95 $492
PXHT-52 Tall Models 0.95 $492
PXHT-66 Tall Models 0.95 $492
PXHT-80 Tall Models 0.95 $492
PXHS-40 Short Models 0.95 $492
PXHS-50 Short Models 0.95 $492
Model Number Energy Factor $ Annual Estimated Cost
ECRT-40 Tall Models 0.93 $503
ECTR-52 Tall Models 0.93 $503
ECRT-66 Tall Models 0.92 $508
ECRT-80 Tall Models 0.93 $503
ECRS-50 Short Models 0.93 $503
Model Number Energy Factor $ Annual Estimated Cost
ECT-30 Tall Models 0.93 $503
ECT-40 Tall Models 0.92 $508
ECT-52 Tall Models 0.91 $514
ECT-55 Tall Models 0.90 $520
ECT-66 Tall Models 0.88 $531
ECT-80 Tall Models 0.86 $544
ECT-120 Tall Models 0.81 $577
ECS-30 Short Models 0.93 $503
ECS-40 Short Models 0.92 $508
ECS-50 Short Models 0.90 $520
ECL-30 Lowboy Models 0.93 $503
ECLN-40 Lowboys Models 0.92 $508
ECLB-40* Lowboy Models 0.93 $503
ECL-50 Lowboy Models 0.91 $514
* Heater Ships with supplied insulation blanket
Residential Gas
Model Number Energy Factor $ Annual Estimated Cost Nat
GAHH-40 0.70 $261
GAHH-50 0.70 $261
Model Number Energy Factor $ Annual Estimated Cost $ Annual Estimated Cost LP
GCF-40 0.67 $272 N/A
GCF-50 0.67 $272 N/A
GCFL-40 0.67 $272 N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
XGV-40 Tall Models 0.62 $294 $497
XGV-50 Tall Models 0.62 $294 $497
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GCNH-30 0.61 $299 N/A
GCNH-40 0.59 $309 N/A
GCNH-50 0.58 $315 N/A
GNR-40 0.62 $294 N/A
GNR-50 0.62 $294 N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GCVT-40 0.60 $304 $492
GCVT-50 0.58 $315 $531
GCVX-50 0.58 $315 $531
GCV-65 0.57 $320 $540
FCG-75 N/A N/A N/A
FCG-100 N/A N/A N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GVR-30 Series 200/201 0.62 $294 $497
GVR-40 0.62 $238 $497
GVRL-40 0.62 $294 $497
Revised June 2011 Part number AOSRB63050
www.hotwater.com
ProMax® Plus High Recovery
Conservationist® Models
Voltex® Hybrid Electric Heat Pump
Conservationist® Models
Promax® Ultra-Low NOx Models
Estimated Annual Energy Cost
Residential Water Heaters
ProMax®
High Efficiency Gas 100 Series Models
ProMax® Plus High Recovery Models
ProMax® Plus High Efficiency Models
Effex® Models
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GCV-30 Series 200/201 0.61 $299 $505
GCV-40 0.59 $309 $522
GCV-50 0.58 $315 $531
GCVL-30 0.61 $299 $505
GCVL-40 0.59 $309 $522
GCVL-50 0.58 $315 $531
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
FMV-30 Standard Atmospheric 0.61 $299 N/A
FMV-40 Standard Atmospheric 0.59 $309 N/A
FMD-30 Direct-Vent 0.61 $299 N/A
FMD-40 Direct-Vent 0.59 $309 N/A
FMD-50 Direct-Vent 0.59 $309 N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GPD-40 0.60 $304 $513
GPD-50 0.59 $309 $522
GPDX-50 0.58 $315 $531
GPD-75 0.58 $315 $531
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GPVH-40 0.65 $281 $474
GPVH-50 0.65 $281 $474
GPVR-40 0.67 $272 $459
GPVR-50 0.67 $272 $459
GPVT-40 0.65 $281 $474
GPVT-50 0.65 $281 $474
GPVX-50 0.65 $281 $474
GPS-75 N/A N/A N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GDV-40 0.62 $294 $497
GDV-50 0.58 $315 $531
GDVT-50 0.58 $315 $531
GDV-75 0.57 $320 $540
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GCVH-40L 0.59 $309 $522
GCVT-40L 0.60 $304 $513
GCVT-50L 0.58 $315 $531
GCVX-50L 0.58 $315 $531
GCV-65L 0.57 $320 $540
FCG-75L N/A N/A N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GDV-40L 0.62 $294 $497
GDVT-50L 0.58 $315 $531
GDV-75L 0.59 $320 $540
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GPVT-40L 0.65 $281 $474
GPVT-50L 0.65 $281 $474
GPVX-50L 0.65 $281 $474
GPS-75L N/A N/A N/A
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
GPD-40L 0.60 $304 $513
GPD-50L 0.58 $309 $522
GPD-75L 0.58 $315 $531
Model Number Energy Factor $ Annual Estimated Cost Nat $ Annual Estimated Cost LP
ATI-110-N 0.82 $223 N/A
ATI-110-P 0.82 N/A $370
ATO-110-N 0.82 $223 N/A
ATO-110-P 0.82 N/A $376
ATI-310-N 0.82 $224 N/A
ATI-310-P 0.82 N/A $378
ATO-310-N 0.82 $224 N/A
ATO-310-P 0.82 N/A $370
ATI-510-N 0.82 $220 N/A
ATI-510-P 0.82 N/A $376
ATO-510-N 0.82 $224 N/A
ATO-510-P 0.82 N/A $378
ATI-520H-N 0.91 $200 N/A
ATI-520H-P 0.91 N/A $335
ATO-520H-N 0.91 $204 N/A
ATO-520H-P 0.91 N/A $340
Revised June 2011 Part number AOSRB63050
ProMax® SL Standard Vent Models
www.hotwater.com
ProMax® SL Power Direct Vent Models
Gas Tankless Models
ProMax® Models
ProMax® SL Power Vent Models
ProMax® SL Direct Vent Models
ProMax® Closed Combustion Power Direct Vent Models
ProMax® Power Vent Models
ProMax® Direct Vent Models
EnergySaver Manufactured Housing Models
Loading...