ST-42V | Expansion Tank Therm-X-Trol Thermal 20 Gallon 150PSIG 3/4" NPTF ST-42V Non-ASME for Closed Potable Water Systems to Control Pressure Build-up | Amtrol Type_Ball Lock Tooling Columns Metric Its 3-inch diameter offers a

Its 3-inch diameter offers a comfortable grip for precise fingertip control in various applications

Its adjustable design features a 5/16-18 tapped hole

With its M6 x 1

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ST-42V | Expansion Tank Therm-X-Trol Thermal 20 Gallon 150PSIG 3/4" NPTF ST-42V Non-ASME for Closed Potable Water Systems to Control Pressure Build-up | Amtrol Type_Ball Lock Tooling Columns Metric Its 3-inch diameter offers aAmtrol Expansion Tank ST 42V: Thermal Protection for Closed Potable Water Systems The Amtrol ST 42V Thermal Expansion Tank is a critical component for closed potable water systems, designed to manage pressure fluctuations and safeguard water heaters. Engineered for non ASME systems, this 20 gallon tank features a durable steel construction with a multi dome design for enhanced strength. Key Features: * **Antimicrobial Liner:** Neutralizes bacteria on