Engineered Solutions for Rail & Mass Transit Technology Heat-Line has been custom manufacturing self regulating freeze protection systems since 1987. Over 100,000 units are in the field. Railway and mass transit rolling stock is particularly susceptible to ice and snow builds up in and around train doors. This can lead to system malfunction and costly disruption in service and down time for commuters. OEM Replacement Solutions For Thresholds Step Treads, Wheel Chair Ramps Pocket Doors Door Surrounds Door Guides Hydraulic oil reservoirs Hydraulic hose cold weather viscosity maintenance Sand box, sand pipe Valves Problems Solved We are often contacted to replace failed heating cable systems. In this case Heat-Line completes a detailed design review so an improved product can be manufactured, not just a copy. After all - the original device did fail! The review includes all components including: splices, crimps & terminations. Heat-Line only uses the finest heating cables & electrical components available, where reliability counts! Threshold heater ready for field installation. Replacement threshold heater. Assistance or special requirement Every installation and application is unique. Call toll free and speak with a Heat-Line® application specialist.