Thermal expansion occurs as domestic water is heated. Left unchecked, the resulting pressure increase can cause relief valve discharge and other potentially unsafe conditions. Therm-X-Trol® expansion tanks absorb this expanded water, keeping water pressure at a safe level.

• # 1 choice of Professional Installers in USA
• Most effective way to control Thermal Expansion
• Molded, polypropylene liner for maximum corrosion resistance
• NSF 61 approved
• Broad line of models to fit any application
• Broadest line of models to fit any application

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.

For Features, Specifications & Models See Brochure.

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For more information, contact info@amtrol.com