Required for Proper Automatic Waterer Installation
The Tru-Test Thermal Earth Tube is designed to prevent water lines from freezing when installing automatic livestock waterers in cold climates.
Installed beneath the waterer and below the concrete slab, this tube allows natural geothermal heat from below the frost line to rise and circulate around the water supply line. The result is a protected, insulated air chamber that helps prevent freezing — even in harsh winter conditions.
How It Prevents Freezing
Extends below the frost line
Allows thermal heat from subsoil to rise upward
Circulates warm air around the supply line
Acts as an insulated barrier against surrounding cold air
Important: Do not place insulation or any other material inside the tube. The system relies on warm air rising from the earth to keep the water line protected.
Interlocking Design for Adjustable Depth
Each Thermal Earth Tube section features an interlocking design, allowing multiple tubes to connect together.
This means you can:
Extend the tube deeper depending on your local frost line
Customize installation depth based on regional climate
Stack sections securely for proper airflow
Simply connect additional tubes to reach the required depth below your frost line.
Key Features
Required for proper automatic waterer installation
Double insulated wall construction
Interlocking sections for adjustable depth
Wide cylinder promotes upward airflow
Surrounds and protects the water supply line
Dimensions (Per Section)
Outer Diameter: 11.625 inches
Height: 26.75 inches
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