Base
Model

Storage
Capacity
(Gallons)

Heating
Coil
Size
(Sq Ft)

First Hour
Rating *
(Gallons)

Dimensions (Inches)

Inlet /
Outlet
Size
(Inches)

Shipping
Weight
(lbs.)

Overall
Diameter

Overall
Height

Inlet
"A"

Coil
"B"

Thermostat
"C"

T&P Valve
"D"

T30-15

30

15

128

20

40.5

7

10

13

34

3/4

180

T40-15

40

15

139

20

58.75

7

10

13

51

3/4

230

T65-20

65

20

165

26

48

8

10

14

40

3/4

310

T80-20

80

20

182

26

58

8

10

14

51

3/4

340

T120-20

120

20

188

28

69.25

8

11

17

62

3/4

420

T120-40

120

(2) 20

306

28

69.25

8

11

17

62

1 1/2

435

TU40-2 0

40

20

152

26

33

7

8

14

24

3/4

235

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