Description
Waterproof, Reliable Joints for Underfloor Heating Cable
The ThermoSphere Heating Cable Connection Kit gives installers a quick, waterproof way to join or repair underfloor heating connection wire. Whether you're joining a cold tail to a heating element or repairing a damaged cable on site, this kit provides a fully insulated, watertight connection built to last the lifetime of the heating system.
Key Benefits
- Creates a fully waterproofed joint for underfloor heating connection wire
- Suitable for repairing damaged heating elements as well as new connections
- Simple heat-shrink application — no specialist tools required beyond a heat gun
- Compact kit that's easy to keep in the van for site repairs
Applications
Used by electricians and underfloor heating installers when connecting the cold tail of an electric underfloor heating cable to the heating element, or when repairing a nicked or damaged element during screeding, tiling or floor preparation. Suitable for use with ThermoSphere underfloor heating cable, mesh and foil systems in bathrooms, kitchens, wetrooms and living spaces.
Performance & Features
The kit is built around a 150mm heat shrink sleeve and three shrinkable cable crimps, which together create a fully sealed, waterproof joint once heat is applied. A user guide is included, covering both standard connection wire joints and heating element repairs, so installers can complete the job correctly and confidently first time.
Compatibility
Compatible with ThermoSphere underfloor heating cable, mesh and foil systems. All electrical work should be carried out by a suitably qualified electrician in accordance with the relevant local safety regulations and standards.
ThermoSphere is manufactured in the UK and backed by Millcot's trade support — buy with confidence from a specialist UK underfloor heating and tiling supplier.
Key Features
- 150mm heat shrink sleeve for a fully waterproof joint
- 3 shrinkable cable crimps included
- User guide for connection joints and element repairs
- Compact, easy-to-carry kit for site use
- Suitable for repair and new-install connections
Technical Specifications
- Code: CK-001
- Heat shrink sleeve length: 150mm
- Colour: Black
- Cable crimps: 3 x shrinkable crimps
- Country of origin: UK
What's Included
Each kit includes one 150mm heat shrink sleeve, three shrinkable cable crimps and a printed user guide covering connection wire joints and underfloor heating element repairs.
Downloads
FAQs
What is this kit used for?
It's used to create a waterproof joint when connecting underfloor heating connection wire, or to repair a damaged underfloor heating element.
Do I need special tools to use it?
You'll need a standard heat gun to shrink the sleeve and crimps into place — no other specialist tools are required.
Can this be used to repair a damaged heating cable?
Yes, it's suitable for repairing a nicked or damaged underfloor heating element as well as making new connections.
Is the joint fully waterproof once complete?
Yes, once correctly heat-shrunk the sleeve and crimps form a fully sealed, waterproof joint.
Who should carry out this work?
All electrical connection work should be carried out by a suitably qualified electrician in line with local safety regulations.
Is this compatible with other underfloor heating brands?
It's designed for use with ThermoSphere underfloor heating systems but is suitable for general low-voltage heating cable connections where a waterproof heat-shrink joint is needed.