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 pin is ideal for

This pin is ideal for use in alignment fixtures

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

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

It features a robust build

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 pin is ideal forAmtrol 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: *