A diaphragm-type expansion tank that is pre-pressurized with a standard charge of 12 psi. Welded-steel construction and its diaphragm is a rugged, flexible, long-life material that keeps system water and air separate.
- Fill-Trol tank accepts automatic fill/pressure reducing check valve 109076
- Install into T or air purging device
- Maximum working pressure: 100 psi
- Maximum temperature: 240°F
- System capacity at 30 psi relief, 40-70°F fill temperature, 12 psi fill pressure
- Connection: 1/2" MPT
- Tank air charge is adjustable