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Raychem XPI-NH-4.4 Cold Lead Cable 4 mm

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Part Number: 1244-003087
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RangePentair Raychem XPI-NH Heating Cable

XPI-NH is a polymer insulated (PI) series heating cable, for use in non-hazardous areas. It has been designed for use in freeze protection and temperature maintenance applications of pipes, tanks and other equipment. XPI-NH offers an economical solution for a wide variety of heat-tracing applications in non-hazardous areas, in particular for pipe lengths beyond the maximum circuit lengths of parallel heating cables.

The selection of PTFE for the inner and outer insulation makes XPI-NH a safe and reliable product. It provides highest chemical withstand and good mechanical strength, in particular at elevated temperatures.

XPI-NH heating cables can be used for temperatures up to 260°C. The heating cable is easy to install and has printed meter-marks. Pentair Thermal Management offers XPI-NH heating cables in a very wide range of resistances, starting from 0.8 Ω/km up to 8000 Ω/km as well as a complete range of components for connection and splicing of the cables.


Area Classification;

  • Ordinary Areas

Chemical Resistance:

  • Organics and corrosives
Order Reference

Nominal Resistance

[Ω/km @ 20°C]

Temp Coefficient

[x 10-3 /K]

Outer Diameter

[mm nom.]

XPI-NH-0.8 0.8 4.3 11.5
XPI-NH-1.1 1.1 4.3 9.7
XPI-NH-1.8 1.8 4.3 8.2
XPI-NH-2.9 2.9 4.3 6.5
XPI-NH-4.4 4.4 4.3 5.5
XPI-NH-7 7.0 4.3 4.9
XPI-NH-10 10.0 4.3 4.4
XPI-NH-11.7 11.7 4.3 4.2
XPI-NH-15 15 4.3 4.1
XPI-NH-17.8 17.8 4.3 3.9
XPI-NH-25 25 3.0 3.9
XPI-NH-31.5 31.5 1.3 4.3
XPI-NH-50 50 1.3 3.9
XPI-NH-65 65 1.3 3.8
XPI-NH-80 80 0.7 4.1
XPI-NH-100 100 0.4 4.2
XPI-NH-150 150 0.4 3.9
XPI-NH-180 180 0.33 3.7
XPI-NH-200 200 0.40 3.8
XPI-NH-320 320 0.18 3.9
XPI-NH-380 380


XPI-NH-480 480 0.18 3.7
XPI-NH-600 600 0.18 3.8
XPI-NH-700 700 0.18 3.7
XPI-NH-810 810 0.04 3.5
XPI-NH-1000 1000 0.04 3.5
XPI-NH-1440 1440 0.04 3.4
XPI-NH-1750 1750 0.04 3.4
XPI-NH-2000 2000 0.35 3.6
XPI-NH-3000 3000 0.35 3.4
XPI-NH-4000 4000 0.35 3.4
XPI-NH-4400 4400 0.1 3.4
XPI-NH-5160 5160 0.1 3.4
XPI-NH-5600 5600 0.1 3.4
XPI-NH-7000 7000 0.1 3.4
XPI-NH-8000 8000 0.1 3.4

Technical Specifications
Max Exposure Temp 260°C (power of, continuous)
Maximum Power Output 25 W/m (Typical value, depending on application)
Min Bending Radius 6 x cable diameter at -60°C
Min Bending Radius 2.5 x cable diameter at -25°C
Min Installation Temp -60°C
Minimum Clearance 20 mm
Nominal Voltage Up to 300/500 Vac (U/U)

Frequently Asked Questions

We make every effort in answering your questions. Below is a list of those questions we are frequently asked. Click on a question to expand its answer.

What is self regulating heating tape?

Self limiting / self regulating heating tape adjusts heat output to equal the heat loss from the pipe work. As pipe temperature falls the electrical conductivity of the semi-conductive core increas...

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Can you design a full surface heating system for me?

Yes, utilising our in-house design facilities, we can design your complete trace heating requirement.

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Can I use heat trace on plastic pipes?

Yes, when using trace heating on plastic pipes ensure that ATE- 180 aluminium tape is used to help disperse the heat around the pipe.

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Do I need to use thermal insulation?

Yes, thermal insulation is required on all heat trace applications. Without insulation, surface heat losses can increase approximately 4-5 times.

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Do I have to spiral the trace heating onto the pipe?

Most applications can simply be straight traced, reducing costs of materials and installation time without compromising on operational requirements.

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How do I terminate the heating cable?

Full termination instructions are provided with all our heating tapes

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Do I have to allow extra heat for pumps and valves?

If the surface area of the pump is substantially greater than that of the adjoining pipework then extra heating cable may need to be considered (depending on wattage of cable installed). Pumps and ...

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Does my trace heating system require maintenance?

Generally, no maintenance of our trace heating systems is required but it is recommended that the system is checked for operational and electrical integrity periodically or prior to the winter or p...

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How do I test my trace heating system is working properly?

System checks depend on the system installed, constant wattage systems can be fully checked for insulation resistance and continuity. Self regulating systems can only be checked for insulation resi...

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What is Heat Trace?

This is used for a pipe freeze protection application. Electric heat tracing, heat tape or surface heating, is a system used to maintain or raise the temperature of pipes and vessels. Trace heat...

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What is heat tape for water pipes?

When water pipes are exposed to cold temperatures either outdoors, underground or in small spaces, you can protect them from freezing by wrapping them with heat tape. Heating tape is actually a cor...

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