HotLine is a safe, low–voltage water and sewer pipe freeze protection device with no electrical shock danger. Its heating element consists of a modern alloy and insulated resistance wire encased in a copper or plastic tube for protection. The conductivity of the tube delivers the heat directly into the water or sewer line where it is needed. Operates at a voltage of 6 to 30 volts, AC, depending upon the length of the selected heating element.
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