109 | Expansion Tank Fill-Trol Automatic Fill 2 Gallon 100 Pounds per Square Inch Gauge 1/2" NPT 109 for Closed Hydronic Heating Radiant and Chilled Water Systems | Amtrol

Amtrol 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: * Fully adjustable to suit various system requirements * Helps reduce energy consumption and system wear * Automatic air vent eliminates system air * Air purger separates air from water * Precharged with 12 psig and 100% factory tested for reliability * Strong, deep-drawn steel tank construction for durability * Projection welded air stem maintains precharge setting * Spring-loaded check valve and automatic shut-off valve spring for reliable operation Applications: The Amtrol Expansion Tank Fill-Trol is ideal for closed-loop hydronic heating and radiant heating applications, ensuring pressure stability and system efficiency. Shop Our trusted HVAC store for the best prices and fast shipping on the Amtrol Expansion Tank Fill-Trol Automatic Fill 109 and all your industrial supply needs!

Expansion Tank Fill-Trol Automatic Fill 2 Gallon 100 Pounds per Square Inch Gauge 1/2" NPT 109 for Closed Hydronic Heating Radiant and Chilled Water Systems