1 Foot Thermal Tube Top 18158

SKU: #18158

MSRP: $117.99

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.

Key Features

  • Offers premium protection to your waterline
  • Two inches of insulation with a total r-Factor of 14
  • Prevents frost from traveling to your waterline
  • TIP: Do not cut or modify Thermal Tube. This will expose the insulation to the elements and deplete the insulation properties.


*Package dimensions are listed for individual parts for shipping purposes
Part No.
Overall Height
Shipping Weight

1 Foot Thermal Tube Top 18158 Videos

Information on Ritchie Thermal Tubes

Ritchie Thermal Tubes come in a variety of lengths to accommodate any frost line depth. They provide two inches of insulation to help maintain a warmer air tem…

Step 3. Installation of the Ritchie Thermal Tubes for automatic waterers

Installation video on how to install the Ritchie insulated Thermal Tube for ultimate winter protection for your waterlines. We are happy to answer questions.…

Ritchie Installation video 2014

Learn how to properly install a Ritchie automatic waterer.


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