Pentair Thermal Management Becomes nVent
- A New Opportunity to Spark Innovation

Your trusted brands RAYCHEM, TRACER, NUHEAT, PYROTENAX and TraceTek are now part of nVent Thermal Management.

The new company website is in development and will be launched in January 2019. Until then, we are happy to serve your information needs through our current website.

For more information on nVent:
Download press release
Visit nVent.com
(currently English only)

nVent RAYCHEM FMT, FHT constant wattage trace heating cables


Parallel constant wattage trace heating cables for frost protection or process temperature maintenance applications up to 230°C

The RAYCHEM FMT and FHT range of constant wattage parallel trace heating cables are designed for freeze protection of industrial equipment or process temperature maintenance up to 230°C. These heating cables can withstand up to 260°C and have fluoropolymer outer jackets for high chemical resistance.

They are approved for use in hazardous areas, and are usually used in conjunction with advanced control systems.

Key benefits:

  • The FHT product is available in 230V and 400V versions for extended circuit lengths.
  • Cut to length and termination possible on site
  • Round geometry provides excellent flexibility during installation
  • Heating element is protected by 2 layers of PTFE insulation tape to minimize mechanical stress
230 V versions400 V version
10FxT2 (10 W/m)  10FHT4 (10 W/m)
20FxT2 (20 W/m)  20FHT4 (20 W/m)
30FxT2 (30 W/m) 30FHT4 (30 W/m)
40FHT2 (40 W/m)

Technical Specifications

Nominal Power outputUp to 30 W/mUp to 40 W/mUp to 30 W/m
Nominal voltage230 Vac230 Vac400 Vac
Maximum circuit lengthUp to 200 mUp to 200 mUp to 330 m
Maximum maintain or continuous exposure temperature (power on)150°C230°C230°C
Maximum continuous exposure temperature (power off)200°C260°C260°C


Data Sheets
Installation Manuals


Warranty Information

Warranty Extension Available

Connection and Protection