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The AMTROL 109-133 Fill-Trol Tank Only is designed for heating systems. This tank consists of a specially adapted Extrol+ pre-pressurized, diaphragm-type expansion tank. It provides an air chamber to receive the expanded volume of water created in the heating system as the water is heated and maintains optimal water levels in various applications.
The Fill-Trol tank is ideal for use in commercial, industrial, and residential settings. It is specifically designed to work with AMTROL Fill-Trol valves for automatic water level maintenance.
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