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The 2.1 gallon XT-8 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure reducing valve and the water heater for protection against water thermal expansion in residential applications. As the system pressure increases, water enters the polypropylene-lined water chamber of the tank, expanding a diaphragm into a pre-charged air chamber to keep the system pressure below the relief valve setting. Materials include a carbon steel shell with an epoxy finished coating, and corrosion-resistant stainless steel connection with a polypropylene liner and Butyl rubber diaphragm.
Pre-charge is field adjustable for convenient maintenance
Carbon steel shell with polypropylene liner ensures long-lasting construction
Diaphragm style tank is ideal for thermal expansion protection in residential applications
Stainless steel connection resists corrosion
Low-lead law compliant
Water Quality Association - Certified to NSF/ANSI 61 & 372
Easy to install
Steel shell protected with polypropylene liner
For use with potable water
Proposition 65 Information
WARNING: WARNING: Cancer and Reproductive Harm -Â www.P65Warnings.ca.gov