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 this handle offers excellent durability

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

The large diameter of the handwheel provides ample leverage for easy operation

This pin is ideal for use in alignment fixtures

delivering reliable performance

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

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 this handle offers excellent durabilityAmtrol 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: *