Thermal Tube Extension HOME AUTOMATIC WATERERS Hello! Welcome to Classic Equine. This site is not fully supported in Internet Explorer 11 (and earlier) versions. As an alternative, you can use either of the options below to browse the site: Use Google Chrome browser. Here is the download link. Use Firefox browser. Here is the download link. Use Microsoft Edge browser. Here is the download link. Thanks. sale new Share: Thermal Tube Extension $139.00 Find your nearest dealer here SKU: FOUNTTHERMALTE2 Size: ONE SIZE Color: BLACK UPC: 847987064164 Type Style Color Add to Cart Description Protect your horse waterer’s vertical water supply line from freezing with Ritchie Thermal Tubes. These thermal tubes provide 2 inches of insulation with an r-Factor of 7 per inch, featuring a 12-inch outside diameter and an 8-inch inside diameter. Developed in collaboration with Iowa State University, they are designed for maximum water line protection. The Two Foot Extension allows you to combine thermal tube extensions and tops to reach 1 foot below your frost line, ensuring reliable performance in cold weather. We found a dealer near you! View more dealers here Thank You.Item has been added to your cart. QTY: 1SUB TOTAL: Continue Shopping View Shopping Cart