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The Amtrol 390321 is a steel vertical expansion tank designed for boiler systems. This model holds thirty-two gallons and operates at a maximum pressure of one hundred PSI. It is ideal for use in hydronic systems where an expansion tank is necessary to manage water pressure and prevent system damage.
This expansion tank features a patented InSight® service indicator cap, allowing for easy monitoring of tank conditions. It is suitable for both residential and commercial applications.
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