ENERGY STAR® Qualifying Models

Model Number Gallon Capacity Energy Factor First Hour Rating Height to Vent Diameter Weight
 
Atmospheric Vent Models
HE-4-40S*FBN(SX)
40
0.70
72
55 5/8"
22"
145lb.
HE-4-50S*FBN(SX)
50
0.70
86
56 1/8"
24"
176lb.
D-4-403S*FBN(SX)
40
0.67
72
55 3/4"
22"
151lb.
D-4-504S*FBN(SX)
50
0.67
86
64 1/2"
22"
170lb.
 
Power Vent Models
M-4-TW-40T*FBN(SX)
40
0.67
72
66 15/16"
20"
152lb.
M-4-TW-50T*FBN(SX)
50
0.67
86
66 15/16"
22"
175lb.
M-4-TW-60T*FBN(SX)
60
0.67
98
67 3/4"
24"
210lb.
 
Power Vent High Input Models
M-4-XRTW50T*FBN(SX)
50
0.67
108
65 7/8"
22"
188lb.
M-4-XRTW65T*FBN(SX)
65
0.67
120
69"
24"
222lb.
 
Power Direct Vent Models
PDX4-40S6FBN (SX)
40
0.67
70
59"
22"
154lb.
PDX4-50S6FBN (SX)
50
0.67
85
60"
24"
285lb.
 
Power Vent Ultra Low NOx Models
U-4-TW-40T*FRN
40
0.67
72
66 15/16"
20"
152lb.
U-4-TW-50T*FRN
50
0.67
86
66 15/16"
22"
175lb.
U-4-TW-60T*FRN
60
0.67
98
67 3/4"
24"
210lb.
 
Power Vent Ultra Low NOx High Input Models
U-4-XRTW-50T*FRN)
50
0.67
99
65 7/8"
22"
184lb.
U-4-XRTW-65T*FRN
65
0.67
120
69
24"
215lb.
Model Number Gallon Capacity Energy Factor Flow Rate at 65° Rise Height to Vent Width Weight
 
Tankless Models
TG-150I-N(X)
N/A
0.82
4.2 GPM
23"
14"
50 lb.
TG-150E-N(X)
N/A
0.82
4.2 GPM
20"
14"
37 lb.
TG-180I-N(X)
N/A
0.82
4.6 GPM
23"
14"
50 lb.
TG-180E-N(X)
N/A
0.82
4.6 GPM
23"
14"
46 lb.
TG-199I-N(X)
N/A
0.82
5.0 GPM
23"
14"
50 lb.
TG-199E-N(X)
N/A
0.82
5.0 GPM
23"
14"
46 lb.

Model Number Gallon Capacity Energy Factor Flow Rate at 65° Rise Height to Vent Width Weight
 
Condensing Tankless Models
TGHE-160I-N
N/A
0.96
4.6 GPM
26 13/32"
181/2"
64 lb.
TGHE-160E-N
N/A
0.96
4.6 GPM
26 13/32"
181/2"
64 lb.
TGHE-199I-N
N/A
0.94
5.8 GPM
26 13/32"
181/2"
71 lb.
TGHE-199E-N
N/A
0.94
4.6 GPM
26 13/32"
181/2"
71 lb.

Model Number Gallon Capacity Thermal Efficiency Height to Heater Top Diameter Weight
 
Commercial Water Heaters
EFR-1-60T1206EN
60
95.0
57"
28 1/4"
570 lb.
EF-60T-125E-3N
60
96.0
57"
28 1/4"
570 lb.
EF-100T-150E-3N
100
99.1
57"
28 1/4"
900 lb.
EF-100T-199E-3N
100
98.5
77 5/8"
28 1/4"
900 lb.
EF-100T-250E-3N
100
97.0
77 5/8"
28 1/4"
900 lb.
EF-100T-300E-3N
100
92.0
77 5/8"
28 1/4"
900 lb.
EF-100T-399E-3N
100
94.0
77 5/8"
28 1/4"
950 lb.
EFR-1-60T1206SX
60
95.0
77 5/8"
28 1/4"
570 lb.
EF-60T-125E-3X
60
96.0
57"
28 1/4"
570 lb.
EF-100T-150E-3X
100
99.1
57"
28 1/4"
900 lb.
EF-100T-199E-3X
100
98.5
77 5/8"
28 1/4"
900 lb.
EF-100T-250E-3X
100
97.0
77 5/8"
28 1/4"
900 lb.
EF-100T-300E-3X
100
92.0
77 5/8"
28 1/4"
900 lb.
EF-100T-399E-3X
100
94.0
77 5/8"
28 1/4"
950 lb.

*Indicates year of warranty (6, or 10).
For Propane (LP) models change suffix "BN" to "SX" on tank type models and "N" to "X" on tankless models.