The 110-1 from Amtrol is a Fill-Trol 110 Expansion Tank with Fill Valve (4.4 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.

Technical Specifications:

• Factory pre-charged 12 psi;
• System connection: 1/2" female threaded;
• Max. operating temperature: 240F;
• Max. operating pressure: 100 psig;
• Expansion tank volume: 4.4 gallons;
• Max. accepted volume: 2.5 gallons;
• Height: 17-3/8";
• Diameter: 11";
• Shipping weight: 10 lbs;

Warranty:

• 5-year manufacturer's warranty.