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_Plastic Folding Handles this handle offers exceptional corrosion

this handle offers exceptional corrosion resistance and longevity in harsh environments

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delivering reliable performance even under demanding operating conditions

It effectively separates and collects air from water in heating systems

while its spherical design minimizes surface area contact

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_Plastic Folding Handles this handle offers exceptional corrosionAmtrol 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