Chemelex / Raychem C25-100-METAL / C3/4-100-METAL
Connections and end seals · Process temperature maintenance
These metal cold-applied connection kits differ in their enclosure-entry arrangement. Pro Therm therefore records the exact variant and thread. The existing junction-box earthing arrangement and heating cable are also identified.
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Selection for your plant
Identify M25 or 3/4-inch NPT from the existing entry and add the cable type.
Identify M25 or 3/4-inch NPT from the existing entry and add the cable type.
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Replacement using existing system data
Send the full marking and, where possible, photographs of the installed component. Include quantity, location and requested date. We identify the part against the …
Send the full marking and, where possible, photographs of the installed component. Include quantity, location and requested date. We identify the part against the existing plant and agree a specific construction with you.
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Explore this range
Chemelex / Raychem → More products in this group → Open product and spare-part finder →
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Standards and technical basis
Our knowledge section explains how the standards relate to the heating task, product selection and project design. Open the standards overview →
Our knowledge section explains how the standards relate to the heating task, product selection and project design.
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Define the version and requirement
Identify M25 or 3/4-inch NPT from the existing entry and add the cable type. Specify version and enquire →
Identify M25 or 3/4-inch NPT from the existing entry and add the cable type.
02
Match cable, seal and enclosure
Connection components are selected for the specific cable and enclosure. Seals, entry threads and temperature conditions must match. For existing installations, we …
Connection components are selected for the specific cable and enclosure. Seals, entry threads and temperature conditions must match. For existing installations, we record the complete system construction. Connections between different manufacturers’ systems are not assumed to be permitted.
04
Support from Pro Therm
You can request supply together with advice, design or replacement support. For electric heat tracing, Pro Therm has its own installation teams working internationally. …
You can request supply together with advice, design or replacement support. For electric heat tracing, Pro Therm has its own installation teams working internationally. Thermal insulation can be offered with partner companies. The appropriate scope is agreed for your project.
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Manufacturer documentation
Product classification is based on the linked manufacturer source. For a specific version, use the current datasheet and installation instructions. Source reviewed: 16 …
Product classification is based on the linked manufacturer source. For a specific version, use the current datasheet and installation instructions. Source reviewed: 16 October 2026.
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Frequently asked questions
Can I enquire about this product directly? First specify the version and quantity in the product finder. For heating cables, provide voltage and output or explicitly …
Can I enquire about this product directly?
First specify the version and quantity in the product finder. For heating cables, provide voltage and output or explicitly request technical selection. Then enter your contact details and submit the form.
Can another manufacturer’s product be considered?
An alternative may be offered after technical review. Output, temperature limits, connections and existing system requirements are assessed together. Cross-brand interchangeability is not assumed.
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Related topics
Spare parts → Engineering and design →
Match cable, seal and enclosure
Connection components are selected for the specific cable and enclosure. Seals, entry threads and temperature conditions must match. For existing installations, we record the complete system construction. Connections between different manufacturers’ systems are not assumed to be permitted.
Replacement using existing system data
Send the full marking and, where possible, photographs of the installed component. Include quantity, location and requested date. We identify the part against the existing plant and agree a specific construction with you.
Support from Pro Therm
You can request supply together with advice, design or replacement support. For electric heat tracing, Pro Therm has its own installation teams working internationally. Thermal insulation can be offered with partner companies. The appropriate scope is agreed for your project.