• Available: Limited Stock
  • Size: 4' TOP
  • Share :

Thermal Tube


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 inch outside diameter, 8 inch inside diameter. Designed with the help of testing conducted by Iowa State University to determine the ultimate size for maximum water line protection. Use the 4 foot thermal tube for deep frost lines or combine with the 2 foot extension for deeper frost lines.