ALL CATEGORIES

SHOP BY INDUSTRY

DEALS

EXCLUSIVE BRANDS

NEW PRODUCTS

PUBLIC SECTOR

KNOWLEDGE CENTER

Thermal expansion occurs as domestic water is heated. Left unchecked, the resulting pressure increase can cause relief valve discharge and other potentially hazardous conditions. Therm-X-Trol&#174; expansion tanks absorb this expanded water, keeping water pressure at a safe level. Features:<ul style="margin-top:0px;padding-top: 5px; padding-bottom: 5px;"><li>Antimicrobial liner neutralizes bacteria on contact</li><li> Patent pending Turbulator™ water diffuser</li><li> 50 psi precharge - the industry's highest</li><li> Deep drawn steel domes for 2X the strength of other tanks</li><li> Thickest diaphragm for extra long life</li><li> Hoop and groove design for added reliability</li><li> Stainless steel system connection</li><li> NSF 61 approved</li><li> Meets CA and VT low lead standards</li><li> Made in the USA</li></ul>Water heater manufacturers and plumbing codes require the installation of an expansion control device if a backflow preventor, pressure reducing valve or check valve is installed in the domestic supply line. Therm-X-Trol satisfies all manufacturers' requirements.

Amtrol THERM-X-TROL&#174; Water Heater Expansion Tank ST-5, 2 Gallons

therm-x-trol-water-heater-expansion-tank-st-5-2-gallons

Clearance Items

Customer Also Viewed

Save 15% Off

on all Auto-Reorders

with 5% off when you use your Global Industrial Credit Card.

% on your purchase when you use your Global Industrial Credit Card.

 suggested payments with 6 month special financing OR 

<a href="/contactUs">Customer Support</a>

<a href="/account/browse-history">Browse History</a>