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.