Electrically Certified by cCSAus (Canada and USA);Certified Drinking Water Safe NSF/ANSI 61 (Canada and USA);Approved for potable water applications;Manufactured in North America;Ground fault protection is integral to the system (GFC models only);Philmac adapter fittings ensure pressure connections are simple, secure and leak proof;Suitable for above ground applications when properly insulated;No need to excavate below the frost line, thus saving costs on installation;Supplied job-ready based on specific freeze protection requirements;Completely serviceable;Heating cable is durable enough to stay in place within the entire length of pipe without the need of a downward hooking or latching device;Most reliable and energy-efficient system on the market;Ease of installation - can commonly be pushed in pipe up to 150 feet (46m);Long systems can be drawn in with fish tape or rope;Proven performance in cold climates (even in above ground applications);Provides reliable freeze protection for many pipe diameters;Easily and quickly installed in most existing pipes without their removal;Fast installation, lengths greater than 35 feet (10.5m) are supplied on a patented dispensing reel;Will never melt or burnout the pipe, even if the pipe is dry