Insulated Earth Tube
Key Benefits
- conserves the earths ground source heat as it rises up the vertical shaft to help protect the water line from freeze ups
- excellent insulating properties (R15) and amazing structural strength
- easily stackable for deeper installations
- highly recommended for ALL cold climate conditions
| Description | Insulated Earth Tube |
| Part # | IET |
| Dimensions | Width:
12 3/4" (32.4 cm) Height: 49" (124.5 cm) |
| Uniqueness | Join together for desired length |



