Permanently protect your vertical water supply line from freezing. Ritchie Thermal tubes provide two inches of insulation all around with an r-Factor of 7 per inch, 12 inches outside diameter, 8 inches inside diameter. Designed with the help for testing conducted by Iowa State University to determine the ultimate size for maximum waterline protection. 4 foot overall height.
TIP: Install Ritchie Thermal Tubes to sit flush with the top of the concrete pad.