Solar Hot USA | Making Solar Make Sense
1105 Transport Dr. Raleigh, NC 27603
Telephone: 919 439 2387 | Email: sales@solarhotusa.com
copyright ©2009 Solar Hot USA
As water or anti-freeze solutions heat, the pressure resulting from the expansion of the fluids may cause the relief valve to discharge or create other unsafe conditions.
• Effective control of thermal expansion
• Polypropylene liner maximizes corrosion resistance
• NSF 61 approved
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.