Fill-Trol® Boiler System Expansion Tank

Fill-Trol combines a boiler system expansion tank with an automatic fill valve to control system pressure. This eliminates the need for a separate, automatic fill valve.

FT Packages: Fill Trol Combination Kits

RX Models: Radiant Extrol Heating System Expansion Tanks

  • FEATURES
  • SPECIFICATIONS
  • BROCHURES
  • MANUAL & SUBMITTALS

FEATURES

  • Eliminates the Need for a Separate, Automatic Fill Valve.
  • Strongest Tank Design Featuring Deep Drawn Steel.
  • Thick, Butyl Diaphragm.
  • Adjustable to a Maximum 100 PSIG Working Pressure.
  • Available in 2 through 14 Gallon Sizes.
  • Combination Packages Include an Air Purger (Model 443 1” or 444 1 ¼”) and an Air Vent (Model 700-C).

SPECIFICATIONS

  • Shell: Steel
  • Diaphragm: Heavy Duty Butyl
  • System Connection: ½” Compression
  • Air Stem: Projection Welded
  • Factory Precharge: 12 PSIG (.8 bar)
  • Fill Valve: Automatic

Performance

  • Max. Operating Temperature: 240º F (116º C)
  • Max. Working Pressure: 100 PSIG (6.9 bar)
  • Warranty: 5 Year Limited

Application

  • For use in closed, hydronic heating systems to control fill pressure and pressure build-up.
  • Accepts expanded water as system temperature rises and return hot water to systems when demand occurs.

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