What is Constant Wattage GutterMelt and when should I use it?

Constant Wattage GutterMelt produces a fixed heat output regardless of ambient temperature, unlike the self-adjusting SR version. It’s typically specified for longer cable runs or larger commercial systems where consistent, predictable wattage across the entire length is required for accurate system design. Both SR and CW versions are listed to UL and CSA standards and carry Heatizon’s standard warranties based on per-foot vs. kit purchase.