Amtrol® invented the thermal expansion tank to absorb expanded water in closed, hot water systems and protect the water heater. Since the beginning, we've kept the pressure on our competitors with features they just can't match; like our patented Turbulator™, antimicrobial liner, patent-pending InSight™ service indicator cap and 50 PSIG precharge. When your water heater is on the line, we deliver.
$60.11
each
253 In Stock
2 galshow options
or - Free Same Day Shipping & Lower Pricing.
Antimicrobial liner neutralizes bacteria on contact
Patented Turbulator™ water circulation device
InSight™ indicator cap tank service alert
Strongest tank design featuring deep drawn steel and multi-dome construction
Thickest diaphragm - heavy duty butyl
Projection welded air stem to help eliminate leaks
Exclusive ST-1 for tankless water heaters
Specifications
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Type: In-Line
Series: ST Series
Capacity: 2 gal
Diameter: 8 in
Finish: Urethane Topcoat
Height: 13 in
Material: Drawn Steel
Pressure Rating: 150 psig
Application
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For Use With Closed, Potable Hot Water Systems to Control Pressure Build-Up and Protect the Water Heater