Commercial Heat Trace

Marley Engineered Products offers a complete line of Heat Trace products for the most demanding freeze protection, temperature maintenance, roof & gutter de-icing, and other specialty applications in the commercial market. These products are designed and manufactured to the strictest industry standards and are third-party tested and approved by UL. We provide extensive application engineering support and products are shipped from stock for fast delivery.
  • Mineral Insulated Cables

    QMark/Berko Mineral Insulated (MI) Type K & B heating cables are ideal for a wide range of industrial and commercial heating applications. These cables feature resistive heating conductors embedded in highly compressed magnesium oxide insulation and are encased in a fully annealed, easily hand-formable stainless Alloy 825 sheath. The low-resistance metallic sheath provides an excellent…

  • Heat Trace – LSR

    LSR® Heating Cables are designed for freeze protection and process temperature maintenance of metal and plastic pipes and tanks. LSR cables provide temperature maintenance to 150°F and withstand temperature exposure to 185°F. LSR® is available from stock in 3,5,8, and 10watts/ft, 120 volt or 208-277 volt models. Self-regulating construction allows for maximum flexibility, cutting to…

  • Mineral Insulated Cables

    QMark/Berko Mineral Insulated (MI) Type K & B heating cables are ideal for a wide range of industrial and commercial heating applications. These cables feature resistive heating conductors embedded in highly compressed magnesium oxide insulation and are encased in a fully annealed, easily hand-formable stainless Alloy 825 sheath. The low-resistance metallic sheath provides an excellent…

  • Heat Trace Thermostats & Controllers

    Our heat trace thermostats and controllers deliver precise, reliable temperature regulation to ensure optimal performance of heat tracing systems across a wide range of applications. From simple mechanical thermostats to advanced microprocessor-based control panels, these solutions are designed to maintain consistent temperatures, improve energy efficiency, and protect critical processes and infrastructure. Built for both general-purpose…

  • Heat Trace Thermostats & Controllers

    Our heat trace thermostats and controllers deliver precise, reliable temperature regulation to ensure optimal performance of heat tracing systems across a wide range of applications. From simple mechanical thermostats to advanced microprocessor-based control panels, these solutions are designed to maintain consistent temperatures, improve energy efficiency, and protect critical processes and infrastructure. Built for both general-purpose…

  • Heat Trace Accessories

    Complete your heat trace system with QMark/Berko’s full line of reliable, easy-to-install accessories designed to support performance, safety, and long-term operation. Engineered to simplify installation, secure cable placement, and ensure proper system function, these accessories are suited for a wide range of industrial applications. From connection kits and fiberglass or aluminum tapes to RTD cables,…

  • Heat Trace Accessories

    Complete your heat trace system with QMark/Berko’s full line of reliable, easy-to-install accessories designed to support performance, safety, and long-term operation. Engineered to simplify installation, secure cable placement, and ensure proper system function, these accessories are suited for a wide range of industrial applications. From connection kits and fiberglass or aluminum tapes to RTD cables,…

  • Heat Trace – LSR

    LSR® Heating Cables are designed for freeze protection and process temperature maintenance of metal and plastic pipes and tanks. LSR cables provide temperature maintenance to 150°F and withstand temperature exposure to 185°F. LSR is available from stock in 3,5,8, and 10watts/ft, 120 volt or 208-277 volt models. Self-regulating construction allows for maximum flexibility, cutting to…

  • Heat Trace Kits

    Our heat trace connection kits provide reliable, easy-to-install solutions for connecting, terminating, and maintaining heat tracing systems. Designed for use with a wide range of self-regulating and constant wattage heating cables, these kits simplify installation while helping reduce labor time and installation errors. Built for demanding commercial and industrial environments, our connection kits feature durable…

  • Heat Trace Kits

    Our heat trace connection kits provide reliable, easy-to-install solutions for connecting, terminating, and maintaining heat tracing systems. Designed for use with a wide range of self-regulating and constant wattage heating cables, these kits simplify installation while helping reduce labor time and installation errors. Built for demanding commercial and industrial environments, our connection kits feature durable…

  • Heat Trace – LSRX

    LSRX Heating Cables are designed for freeze protection and process temperature maintenance of metal and plastic pipes and tanks. LSRX cables provide temperature maintenance to 150°F and withstand temperature exposure to 185°F. LSRX is available from stock in 3,5,8, and 10watts/ft, 120 volt or 208-277 volt models. Self-regulating construction allows for maximum flexibility, cutting to…

  • Heat Trace – MSR

    MSR® Heating Cables are designed for freeze protection and process temperature maintenance of metal pipes and tanks. MSR is an ideal choice for hot water temperature maintenance and grease waste maintenance in building and construction applications. MSR cables provide temperature maintenance to 250°F and withstand temperature exposure to 366°F. MSR is available from stock in…