111 | Expansion Tank Fill-Trol Automatic Fill 7.6 Gallon 100 Pounds per Square Inch Gauge 1/2" NPT 111 for Closed Loop Hydronic Heating and Radiant Heating Applications | Amtrol

AMTROL FILL-TROL Automatic Fill Expansion Tank [SKU 111] The AMTROL FILL-TROL System combines FILL-TROL, a unique automatic fill valve, with a specially adapted EXTROL pre-pressurized diaphragm-type expansion tank. Eliminating the need for a separate automatic fill valve, this system ensures dependable performance. Key Features: * Pre-pressurized steel tank with 12 psig factory charge * Accepts expanded water to reduce system pressure as system temperature rises * Fully adjustable system helps reduce energy consumption and system wear * Automatic air vent and air purger eliminate system air * Spring-loaded check valve, automatic shut-off valve spring, and removable strainer for reliable operation Benefits: * Water-tight reservoir for expanded water * Sealed air cushion ensures optimal performance * Projection welded air stem maintains precharge setting * Tank pressure precisely controls system fill * Strong construction for durability in demanding applications Applications: * Closed loop hydronic heating systems * Radiant heating systems Shop Our trusted HVAC store for the best prices and fast shipping on the AMTROL FILL-TROL 111 Expansion Tank!

Expansion Tank Fill-Trol Automatic Fill 7.6 Gallon 100 Pounds per Square Inch Gauge 1/2" NPT 111 for Closed Loop Hydronic Heating and Radiant Heating Applications