

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The RAYPAK H621050 is a self-regulating heat trace cable designed to prevent pipe freeze-up in residential and light commercial applications. Sold by the foot or in bulk runs, this Raychem WinterGard-series cable automatically adjusts its heat output based on ambient temperature — increasing wattage as temperatures drop and reducing output as conditions warm. This behavior eliminates the risk of overheating and reduces energy consumption compared to constant-wattage cables. Licensed plumbers, HVAC technicians, and pipe insulation contractors typically handle installation on domestic water lines, drain lines, and mechanical room piping.
Self-regulating heat trace cable is used on above-ground or buried water supply lines, roof and gutter de-icing applications, and freeze protection on exposed piping in unconditioned spaces such as crawlspaces, attics, and exterior walls. This product is part of the Raychem WinterGard line, which is a widely specified freeze-protection solution in both new construction and retrofit service work. It is suited for wrapping around standard pipe diameters in residential and light commercial plumbing systems.
Designed as an OEM-specified freeze-protection cable for residential and light commercial pipe heat trace applications. Compatible system details beyond the WinterGard product line were not provided in the available product data.
Installation should be performed by a licensed electrician or qualified contractor in accordance with NEC Article 426 governing fixed electric heating equipment for pipelines. De-energize any related circuits before handling connections or splices. The cable should be applied along the pipe run and secured with appropriate tape rated for heat trace use before insulation is installed over the assembly. Do not overlap the cable on itself during installation, as this can create hotspots.
Thanks for subscribing!
This email has been registered!