Expansion Tank

Amtrol 111

Expansion Tank Fill-Trol Automatic Fill 7.6 Gallon 100 Pounds per Square Inch Gauge 1/2" NPT 111 for Closed Loop Hydronic Heating and Radiant Heating Applications

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Product Overview

  • 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
  • Accepts expanded water as system temperature rises to reduce pressure build-up
  • Eliminates need for a separate, automatic fill valve
  • Fully adjustable
  • Helps reduce energy consumption and reduces system wear
  • Automatic air vent eliminates system air
  • Air purger separates air from water
  • System connection sets the point of no pressure change
  • Water-tight reservoir for expanded water
  • Sealed air cushion-factory precharged and 100% tested
  • 12 psig factory precharged
  • Strong, deep-drawn steel tank
  • Projection welded air stem maintains precharge setting
  • Tank pressure controls system fill
  • Spring-loaded check valve
  • Automatic shut-off valve spring
  • Removable strainer
  • Cold water supply
  • Expansion bypass
  • Fill gate stem

Product Details

Product TypeAutomatic Fill
Tank Capacity7.6GAL
Inlet/Outlet Connection1/2IN NPT
Part Number111
Precharge Pressure12PSIG
Temperature240DEG F
ApplicationClosed Loop Hydronic Heating and Radiant Heating Applications

Commonly Purchased with This Item     
denotes installation item.