Fundamental Facts:
If the water temperature in the system rises, water volume will increase resulting in a rise in pressure and possibility of damage to the system. By incorporating an expansion tank into the system, the increase in water volume may be contained until the water temperature has reduced and the water volume returns to its initial level.
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NOTE: The information presented in this page is for guidance only - no part of this may be used for any agreement, whether expressed or implied, or to form any contract. THERMO TECHNOLOGIES reserves the right to change specifications and prices without prior notice.
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Hydronic heating
The tank consists of two halves. One half connects directly to the water system. The second, separated by a special diaphragm, contains nitrogen or air. As pressure rises and volume increases, the diaphragm is displaced.
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Maximum working pressure : 100 psig
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Maximum operating temperature : 240 F
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Factory pre-charged to 12 psig
Model |
Volume
Gallons |
Height
Inches |
Diameter
Inches |
Connection
NTPM |
Weight
Lbs. |
Price
US $ |
TT 30 |
4.4 |
15 1/5 |
11 |
1/2 |
9 |
$ 44.86 |
TT 60 |
7.6 |
23 |
11 |
1/2 |
14 |
$ 111.12 |
TT 90 |
14 |
21 |
15 3/8 |
1/2 |
23 |
$ 138.74 |
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Expansion Tanks 
