1/9/2023 0 Comments Heat tape for pipes![]() ![]() Since constant wattage heat tape needs to perform in ranges of cold, you can imagine the operating temperature is pretty warm. So when it’s 31✯ or 10✯ constant wattage heat tape will always be on full heat, where self-regulating heat tape will only use just enough power to be at the temperature you need to prevent ice dams from forming. Conversely, self-regulating heat tape will output variable temperatures based on the external, ambient temperature. Because any control or switch is still going to tell your constant wattage cable to be either off or on at 100% power. ![]() Can I accomplish this with constant wattage heat tape and a “switch” or thermostatic control? When ambient temperatures remain warmer, the inner core doesn’t shrink, preventing higher temps from occurring within the cable. As ambient temperatures decrease, the material shrinks pulling the bus wires closer to each other, creating the electrical reaction which makes the cables heat up. The core of our pipe trace heat tape is two bus wires encased in a material that is, in part, carbon. How does pipe trace heat tape “ self regulate”? Thought you were saving money on that heat tape you got at that home improvement store? Guess again. It’s always drawing full power and costing you peak energy expenses, which –over the length of a season– can add up huge. “Constant wattage” means: it is always on. ⚠ Notice: Heat Tape purchased in big-box stores is constant wattage heat tape. ![]()
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