The 109-1 from Amtrol is a Fill-Trol 109 Expansion Tank with Fill Valve (2.0 gal). It contains a diaphragm type Extrol expansion tank and an automatic, fully adjustable to 100 psi pressure reducing Fill-Trol valve. Used in closed loop hydronic heating and radiant heating applications.
- Factory pre-charged 12 psi;
- System connection: 1/2" female threaded;
- Max. operating temperature: 240F;
- Max. operating pressure: 100 psig;
- Expansion tank volume: 2.0 gallons;
- Max. accepted volume: 0.9 gallons;
- Height: 14-3/4";
- Diameter: 8";
- Shipping weight: 5 lbs;
- 5-year manufacturer's warranty.