109 | Expansion Tank Fill-Trol Automatic Fill 2 Gallon 100 PSIG 1/2 Inch NPT 109 for Closed Loop Hydronic Heating and Radiant Heating Applications | Amtrol SubCategory 4_Knob Clamp Assemblies and welding * Holding parts

and welding * Holding parts for assembly and repair * Creating jigs and fixtures * And much more

and those seeking precision components

this handle offers excellent durability and corrosion resistance for long-lasting use in demanding environments

delivering reliable performance

109 | Expansion Tank Fill-Trol Automatic Fill 2 Gallon 100 PSIG 1/2 Inch NPT 109 for Closed Loop Hydronic Heating and Radiant Heating Applications | Amtrol SubCategory 4_Knob Clamp Assemblies and welding * Holding partsAmtrol Expansion Tank Fill Trol Automatic Fill 2 Gallon 100 Pounds per Square Inch Gauge 1 2" NPT 109 The Amtrol Expansion Tank Fill Trol system consists of a specially adapted EXTROL pre pressurized, diaphragm type expansion tank and the FILL TROL, an automatic fill valve. It works by accepting expanded water as the system temperature rises to prevent pressure build up. This eliminates the need for a separate automatic fill valve. Key Features: *