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 Midwest Supply 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