Brochure

Selection & Selling Tools
Homeowner Brochure
(MC10230) explains
how Therm-X-Trol
controls thermal
expansion to provide
a better, safer system.
The Amtrol App is your
mobile toolkit. Also, visit
amtrol.com for selection,
installation and service tips.
Quick Sizing Card (MC8520) makes selecting the right tank fast and easy.
Therm-X-Trol
®
Quick Sizing Charts
Sizing based on: 40°F incoming water temperature; 150 psi T&P safety relief valve;
Precharge equal to static supply pressure (ST-5 and above). ST-1 for Tankless and Point-Of-Use (POU) Heaters up to 2 gallons.
For larger applications: Visit amtrol.com, download the AMTROL App or contact Technical Support at 401.535.1216.
Maximum Temperature Setting 160°F
Water
Heater
Size
(gals.)
Static Supply Pressure
(psig)
40 60 80
40 ST-5 ST-5 ST-12
50 ST-5 ST-12 ST-12
60 ST-12 ST-12 ST-12
80 ST-12 ST-12 ST-25V
120 ST-12 ST-25V ST-25V
Maximum Temperature Setting 180°F
Water
Heater
Size
(gals.)
Static Supply Pressure
(psig)
40 60 80
40 ST-12 ST-12 ST-12
50 ST-12 ST-12 ST-12
60 ST-12 ST-12 ST-25V
80 ST-12 ST-25V ST-25V
120 ST-25V ST-25V ST-25V
Maximum Temperature Setting 140°F
Water
Heater
Size
(gals.)
Static Supply Pressure
(psig)
40 60 80
Tankless
& P.O.U
up to 2 gal.
ST-1 ST-1 ST-1
40 ST-5 ST-5 ST-5
50 ST-5 ST-5 ST-5
60 ST-12 ST-12 ST-12
80 ST-12 ST-12 ST-12
120 ST-12 ST-12 ST-25V
© 2020 Worthington Industries Inc. MC4090 (06/20)
One or more features of this product are covered by U.S. patents, visit www.amtrol.com/patents for more information.
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765 www.amtrol.com