ST-25V Amtrol THERM-X-TROL Expansion Tank (10.3 Gallon Volume)
- Utilizes internal plastic liner for corrosion resistance in system with high oxygen content or non-barrier tubing 
 - Pre-charge should be adjusted to equal system fill pressure 
 - Brass fitting polypropyline liner for corrosion resistance
 - Maximum working pressure: 150 psig
 - Maximum operating temperature: 200 degrees F
 - Tank Volume: 10.3 Gallons
 - Diameter: 15-3/8"
 - Height: 19-1/4"
 - System Connection: 3/4" NPT