Why can HISD pipe heating cable you a risk-free, sound energy saving and long-lasting water pipe ? . The plug of HISD the indication bright to show you whether there is electricity or not. With the build in thermostat, you can more energy. HISD pipe heating cable was by both CSA and ETL. You can more confidence on the product safety. Pre-assemble pipe heating cable installation painless for do-it-yourselfers. HISD the aluminum foil and the tinned copper braid to make careful the 100 % screen rate to make the product more sound and more unfluctuating. In the connection, HISD the business grade heat shrinkage tube technology to make the cable more long-lasting. How about the ? . The factory ISO9001 normal -LRB- audit by BV -RRB- in the production process and the company take a very rigorous requirement on the inward physical, production process dominance, finish acceptable inspection etc.. Advanced product structure engineering, acceptable rare physical, rigorous production process, rigorous internecine management plus galore years maneuvering experience make HISD more straight. Application tips The HISD is and painless to install, protect the pipe diameters up to 1.5 '' from freezing. You can contrary lengths based on the chart in the instruction. Warning Never heating cable to touch, cross or overlap itself at any points. crossing. spiraling. Never heating cable on fictile pipe unless pipe is filled with water all the times. Do not the one and the same cable on more than one pipe. While it is, never plug in the heating cable. Never this heating cable in any way. The and the total heating cable has to be in contact with the pipe. flammable physical must not be within in. of completed. Never metal binding to firm heating cable to pipe.