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Therm-X-Trol Expansion Tanks

Amtrol Therm-X-Trol series expansion tanks are thermal expansion tanks used in residential and commercial potable hot water heating systems. These tanks absorbs the expanded hot water produced by the water heater and prevents frequent discharge of the pressure relief valve. Therm-X-Trol tanks are factory charged with 40 psi pressure and are NSF approved for use with potable water applications.

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Product Description SKU Qty Unit Price
ST-5 Therm-X-Trol Expansion Tank (2.0 Gal Volume)

Amtrol
140N43

 
x1
$41.50 / each
x4
$162.00 / box
($40.50 / each)
ST-12 Therm-X-Trol Expansion Tank (4.4 Gal Volume)

Amtrol
141N43

 
x1
$55.50 / each
x4
$217.00 / box
($54.25 / each)
Amtrol ST-25V Term-X-Trol Expansion Tank, 10.3 Gal.

Amtrol
143N164
x1
$101.00 / each
Amtrol ST-30V Term-X-Trol Expansion Tank, 14 Gal.

Amtrol
143N273
x1
$169.95 / each
Amtrol ST-42V Term-X-Trol Expansion Tank, 20 Gal.

Amtrol
144N177
x1
$235.95 / each
Amtrol ST-60V Term-X-Trol Expansion Tank, 34 Gal.

Free shipping
Temporary Out of Stock

Amtrol
147N130
x1
$274.95 / each
Amtrol ST-80V Term-X-Trol Expansion Tank, 44 Gal.

Free shipping

Amtrol
147N131
x1
$325.95 / each
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