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

Amtrol 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 contact, ensuring water quality. * **Patented Turbulator:** Facilitates efficient water circulation, minimizing sediment accumulation. * **InSight Indicator Cap:** Provides visual alerts for tank maintenance, simplifying inspections. * **Rugged Construction:** Deep drawn steel and multi-dome design ensure maximum durability. * **Heavy Duty Butyl Diaphragm:** Provides exceptional resistance to water permeability. * **Projection Welded Air Stem:** Eliminates leaks for reliable operation. Benefits: * Controls pressure buildup in closed potable water systems. * Protects water heaters from thermal expansion damage. * Maintains consistent water pressure for optimal performance. * Reduces sediment buildup and extends equipment lifespan. * Ensures safety and efficiency in water heating systems. Applications: * Closed Potable Water Systems * Residential and Commercial Buildings * Industrial and Municipal Facilities * Water Heater Pressure Control Shop now from Midwest Supply for the best prices and fast shipping on the Amtrol ST-42V Expansion Tank. Ensure the longevity and efficiency of your water heating systems with this superior product.

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