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

Product Overview

• The AMTROL FILL-TROL system consists of a specially adapted EXTROL pre-pressurized, diaphragm-type expansion tank and the FILL-TROL, a specially designed, automatic, fill valve
• Accepts expanded water as system temperature rises to reduce pressure build-up
• Eliminates need for a separate, automatic fill valve
• Fully adjustable
• Helps reduce energy consumption and reduces system wear
• Automatic air vent eliminates system air
• Air purger separates air from water
• System connection sets the point of no pressure change
• Water-tight reservoir for expanded water
• Sealed air cushion-factory precharged and 100% tested
• 12 psig factory precharged
• Strong, deep-drawn steel tank
• Projection welded air stem maintains precharge setting
• Tank pressure controls system fill
• Spring-loaded check valve
• Automatic shut-off valve spring
• Removable strainer
• Cold water supply
• Expansion bypass
• Fill gate stem

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