Amtrol Fill-Trol Expansion Tank
Product Support

The AMTROL FILL-TROL® system consists of a specially adapted EXTROL® pre-pressurized, diaphragm-type expansion tank, and the FILL-TROL, a specially designed, automatic, fill valve.

Product Features:

  • Provides accurate system make up
  • Eliminates need for a separate, automatic fill valve
  • Fully adjustable up to a maximum working pressure of 100 psig
  • Factory pre-charged to 12 psig; tank pressure controls system fill
  • Boiler fill tanks
Available Models
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Amtrol 109-1 Fill-Trol Expansion Tank & Valve - FT-109 - Volume: 2 Login
Amtrol 110-1 Fill-Trol Expansion Tank & Valve - FT-110 - Volume: 4.4 Login
Amtrol 111-1 Fill-Trol Expansion Tank & Valve - FT-111 - Volume: 7.6 Login
Amtrol 112-2 Fill-Trol Expansion Tank & Valve - FT-112 - Volume: 14 Login