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HIGH EFFICIENCY WATER HEATERS

Think Green, Save Green

ENERGY STAR® Program

Sponsored by the U. S. Environmental Protection Agency and the Department of Energy, the ENERGY STAR® program promotes environmentally conscious products, which often can translate into savings for homeowners. We are pleased to announce that the following A. O. Smith high efficiency models have been recognized as ENERGY STAR® water heaters. These are ideal hot water solutions for the homeowner looking to go green and save green.

*Effective as of September 1, 2010.

High Efficiency Models
Model Number	Series	Gallon Capacity	Energy Factor	Recovery Rise 90oF GPH	Vent Connection (Inches)	Input BTU/HR	Height*	Diameter	First Hour Rating Gallons
6-Year Tank and Parts Warranty
GAHH-40	102	40	0.70	43	3 or 4	40,000	61 3/4	20	70
GAHH-50	100	50	0.70	43	3 or 4	40,000	60 5/8	22	81
Tall Models
GCF-40	100	40	0.67	42	3 or 4	40,000	64 1/4	20	67
GCF-50	100	50	0.67	42	3 or 4	40,000	63 1/2	22	81
Short Models
GCFL-40	100	40	0.67	42	3 or 4	40,000	54	22	67
Power Vent Models
GPVL-40	200	40	0.70	44.7	2, 3 or 4	40,000	59	22	73
GPVT-40	200	40	0.70	55.9	2, 3 or 4	50,000	68-1/2	20	90
GPVL-50	200	50	0.70	44.7	2, 3 or 4	40,000	60-1/8	24	90
GPVT-50	200	50	0.70	55.9	2, 3 or 4	50,000	68-1/8	22	96
GPVX-50L	200	50	0.70	69.3	2, 3 or 5	62,000	61-1/8	24	110
GPVX-75L	200	75	0.67	80.4	2, 3 or 6	72,000	70-5/8	26	155
GPHE-50	100	50	0.90	92	2	76,000	70-5/8	22	127
GDHE-50	124	50	0.96	129	2	100,000	66-3/4	22	164
GDHE-50	125	50	0.96	129	2	100,000	66-3/4	22	164

*Height to top of draft hood
Propane inputs: GPVR-40, GPVR-50: 40,000 BTU

Tankless Models
Model Number*	Type	BTU Input Natural/Propane		Energy Factor (EF)	Hot Water Output (GPM)
Model Number*	Type	Minimum	Maximum		Maximum	45°F Rise	70°F Rise
Non-Condensing
ATI-110-N	Indoor/Natural	19,500	140,000	0.82	6.6	5.1	3.3
ATI-110-P	Indoor/Propane	19,500	140,000	0.82	6.6	5.1	3.3
ATI-310-N	Indoor/Natural	11,000	190,000	0.82	8.0	6.9	4.4
ATI-310-P	Indoor/Propane	11,000	190,000	0.82	8.0	6.9	4.4
ATI-510-N	Indoor/Natural	11,000	199,000	0.82	10.0	7.2	4.7
ATI-510-P	Indoor/Propane	11,000	199,000	0.82	10.0	7.2	4.7
ATI-110U-N	Indoor/Natural	15,000	140,000	0.82	6.6	5.1	3.3
ATI-310U-N	Indoor/Natural	15,000	190,000	0.82	8.0	7.2	4.4
ATI-510U-N	Indoor/Natural	15,000	199,000	0.82	10.0	6.9	4.7
ATO-110-N	Outdoor/Natural	19,500	140,000	0.82	6.6	5.1	3.3
ATO-110-P	Outdoor/Propane	19,500	140,000	0.82	6.6	5.1	3.3
ATO-310-N	Outdoor/Natural	11,000	190,000	0.82	8.0	6.9	4.4
ATO-310-P	Outdoor/Propane	11,000	190,000	0.82	8.0	6.9	4.4
AT0-510-N	Outdoor/Natural	11,000	199,000	0.82	10.0	7.2	4.7
ATO-510-P	Outdoor/Propane	11,000	199,000	0.82	10.0	7.2	4.7
ATO-110U-N	Outdoor/Natural	15,000	140,000	0.82	6.6	5.1	3.3
ATO-310U-N	Outdoor/Natural	15,000	190,000	0.82	8.0	6.9	4.4
ATO-510U-N	Outdoor/Natural	15,000	199,000	0.82	10.0	7.2	4.7
Condensing
ATI-240H-N	Indoor/Natural	15,000	160,000	0.95	6.6	6.6	4.3
ATI-240H-P	Indoor/Propane	13,000	160,000	0.95	6.6	6.6	4.3
ATI-320H-N	Indoor/Natural	13,000	180,000	0.91	8.0	7.3	4.7
ATI-320H-P	Indoor/Propane	13,000	180,000	0.91	8.0	7.3	4.7
ATI-340H-N	Indoor/Natural	15,000	180,000	0.95	8.0	7.6	4.9
ATI-340H-P	Indoor/Propane	13,000	180,000	0.95	8.0	7.6	4.9
ATI-520H-N	Indoor/Natural	13,000	199,000	0.91	9.0	8.1	5.2
ATI-520H-P	Indoor/Propane	13,000	199,000	0.91	9.0	8.1	5.2
ATI-540H-N	Indoor/Natural	15,000	199,000	0.95	10.0	8.4	5.4
ATI-540H-P	Indoor/Propane	13,000	199,000	0.95	10.0	8.4	5.4
ATO-320H-N	Outdoor/Natural	13,000	180,000	0.91	8.0	7.3	4.7
ATO-320H-N	Outdoor/Natural	13,000	180,000	0.91	8.0	7.3	4.7
ATO-520H-N	Outdoor/Natural	13,000	199,000	0.91	9.0	8.1	5.2
ATO-520H-P	Outdoor/Propane	13,000	199,000	0.91	9.0	8.1	5.2
AT0-240H-N	Outdoor/Natural	15,000	160,000	0.95	6.6	6.6	4.3
ATO-240H-P	Outdoor/Propane	13,000	160,000	0.95	6.6	6.6	4.3
ATO-340H-N	Outdoor/Natural	15,000	180,000	0.95	8.0	7.6	4.9
ATO-340H-P	Outdoor/Propane	13,000	180,000	0.95	8.0	7.6	4.9
ATO-540H-P	Outdoor/Natural	15,000	199,000	0.95	10.0	8.4	5.4
ATO-540H-P	Outdoor/Propane	13,000	199,000	0.95	10.0	8.4	5.4

Hybrid Electric Models

Model Number

Gallon Capacity

Energy Factor By Mode

1st Hour Rating Galon By Mode

Standard Voltage

No. Of Elements

Standard Input (KW) Upper/Lower

Height (Inches)

Diameter (Inches)

Eff

Hybrid

Elect

Eff

Hybrid

Elect

10-Year Tank and Parts Warranty

PHPT-60

2.40

2.33

.88

240

4500/2000

67-1/3

24 1/2

PHPT-80

2.30

2.33

.85

240

4500/2000

81-1/2

24 1/2

Cyclone Models
Model Number	Input	Water Heater Volume	Thermal Efficiency	Standby Loss	Fuel Type
BTX-100	100,000	50 gallon	0.96	499	Nat Gas
BTX-100	100,000	50 gallon	0.96	499	LP Gas
BTH-120	120,000	60 gallon	0.94	613	Nat Gas
BTH-120	120,000	60 gallon	0.94	613	LP Gas
BTH-150	150,000	100 gallon	0.95	1079	Nat Gas
BTH-150	150,000	100 gallon	0.95	1079	LP Gas
BTH-199	199,900	100 gallon	0.95	967	Nat Gas
BTH-199	199,900	100 gallon	0.95	967	LP Gas
BTH-250	250,000	100 gallon	0.95	748	Nat Gas
BTH-250	250,000	100 gallon	0.95	748	LP Gas
BTH-300A	300,000	130 gallon	0.96	1084	Nat Gas
BTH-300A	300,000	130 gallon	0.96	1084	LP Gas
BTH-300	300,000	119.9 gallon	0.96	1084	Nat Gas
BTH-300	300,000	119.9 gallon	0.96	1084	LP Gas
BTH-400A	399,900	130 gallon	0.95	1,100	Nat Gas
BTH-400A	399,900	130 gallon	0.95	1,100	LP Gas
BTH-400	399,900	119.9 gallon	0.95	1,100	Nat Gas
BTH-400	399,900	119.9 gallon	0.95	1,100	LP Gas
BTH-500A	499,900	130 gallon	0.95	1,080	Nat Gas
BTH-500A	499,900	130 gallon	0.95	1,080	LP Gas
BTH-500	499,900	119.9 gallon	0.95	1,080	Nat Gas
BTH-500	499,900	119.9 gallon	0.95	1,080	LP Gas

Solar Cyclone Models
Model Number	Input	Water Heater Volume	Thermal Efficiency	Standby Loss	Fuel Type
STH-120	120,000	100 gallon	0.96	882	Nat Gas
STH-120	120,000	100 gallon	0.96	882	LP Gas
STHX-120	120,000	95 gallon	0.96	807	Nat Gas
STHX-120	120,000	95 gallon	0.96	807	LP Gas

XP Hot Water Boiler Models
Model Number	Input	Water Heater Volume	Thermal Efficiency	Standby Loss	Fuel Type
XWH-1000N	920,000	3 gallon	0.95	NA	Nat Gas
XWH-1000P	999,900	3 gallon	0.95	NA	LP Gas
XWH-1300	1,300,000	4 gallon	0.95	NA	Yes
XWH-1700	1,700,000	5 gallon	0.95	NA	Yes
XWH-2000	1,999,900	6 gallon	0.95	NA	Yes
XWH-2600	2,600,000	8 gallon	0.95	NA	Yes
XWH-3400	3,400,000	9.9 gallon	0.95	NA	Yes

Cirrex® Solar System Packages
Model Number	Heat Exchanger	Solar Energy Factor*	Number of Solar Collectors
Deluxe Solar System Packages
SACI-01-M200501	Single Wall Internal Coil	1.9 - 2.2	1
SACI-02-M200202	Single Wall Internal Coil	2.3 - 3.0	2
SACI-02-M200402	Single Wall Internal Coil	3.3 - 5.3	2
SACI-03-M200203	Single Wall Internal Coil	4.9 - 10.1	3
SACE-01-M100501	Double Wall External Plate	1.7 - 1.8	1
SACE-02-M100202	Double Wall External Plate	2.1 - 2.2	2
SACE-02-M100402	Double Wall External Plate	2.8 - 3.0	2
SACE-03-M100203	Double Wall External Plate	3.5 - 4.3	3
Standard Solar System Packages
SACI-01-M200501-T41	Single Wall Internal Coil	1.9 - 2.2	1
SACI-02-M200202-T41	Single Wall Internal Coil	2.3 - 3.0	2
SACI-02-M200402-T41	Single Wall Internal Coil	3.3 - 5.3	2
SACI-03-M200203-T41	Single Wall Internal Coil	4.9 - 10.1	3
SACE-01-M100501-T41	Double Wall External Plate	1.7 - 1.8	1
SACE-02-M100202-T41	Double Wall External Plate	2.1 - 2.2	2
SACE-02-M100402-T41	Double Wall External Plate	2.8 - 3.0	2
SACE-03-M100203-T41	Double Wall External Plate	3.5 - 4.3	3

*Cirrex® solar models are eligible for 30% of total installed cost in tax credit, with no maximum limit.

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ENERGY STAR® Qualified Products

HIGH EFFICIENCY WATER HEATERS

ENERGY STAR® Program

High Efficiency Models

Power Vent Models

Tankless Models

Hybrid Electric Models

Cyclone Models

Solar Cyclone Models

XP Hot Water Boiler Models

Cirrex® Solar System Packages

ENERGY STAR^® Qualified Products