Boiler System Expansion Tanks Comparison
and Installation
| Tank Volume | Amtrol | ELBI | Flexcon | Sparco | State | Watts | Wilkins |
| HTEX-15 2 Gallon | 15 | XT-15 | VR15F | TK300-15 | ET-2 | ET-15 | HTX-15 |
| HTEX-30 4.4 Gallon | 30 | XT-30 | VR30F | TK300-30 | ET-5 | ET-30 | HTX-30 |
CAN'T FIND ILLUSTRATION
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Recommended Tools |
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 Teflon Tape |
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