18 l Lead-Free Potable Water Thermal Expansion Tank Value:each Contains mercury: yes (for more

Contains mercury: yes (for more on cleanup and safe disposal visit: epa

Q: How long is the pull-down sprayer hose

with an adjustable backset

Durable Build: Acrylic head with zinc backplate resists wear for everyday use

18 l Lead-Free Potable Water Thermal Expansion Tank Value:each Contains mercury: yes (for moreThe 4. 8 gallon XT 18 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