ThermoSphere Ultimate Heating Cable 61 LM
ThermoSphere Ultimate Heating Cable 61 LM
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| Type | Heating Cable |
|---|---|
| Brand | ThermoSphere |
| Length | 61 LM |
| Model | HDMC |
ThermoSphere Ultimate Underfloor Electric Heating Cable
The first electric underfloor heating cable with guaranteed reliability.
Experience the next generation of electric underfloor heating with the ThermoSphere Ultimate® Heating Cable — engineered for maximum reliability, quick installation, and exceptional performance. Featuring innovative TwistedTwin technology and in-line joint construction, ThermoSphere Ultimate eliminates common installation risks by removing the need to cut into the subfloor or membrane. This results in a faster, safer, and more durable installation.
Key Features & Benefits
- Guaranteed Reliability: The first electric heating cable designed with in-line joint technology, removing weak points for long-term dependability.
- Fast & Easy Installation: No need to cut into the floor to accommodate bulky joints — saving time and reducing the risk of damage.
- Universal Compatibility: Works perfectly with all popular heating and decoupling membrane mats, allowing you to use your preferred brand with confidence.
- Flexible Output Options: Choose between 130W/m² or 195W/m² heat outputs to suit your specific project requirements.
- Decoupling Protection: When paired with ThermoSphere Membrane, the system neutralises lateral floor movement and minimises the risk of tile cracking or delamination.
- Waterproof Flooring Solution: When combined with approved waterproofing products, the system provides a fully waterproof layer — ideal for bathrooms and wet rooms.
- Simple Installation Options:
- Fleece-backed Membrane: Adheres easily with flexible tile adhesive.
- Self-adhesive Membrane: Installs directly onto clean plywood subfloors.
Technical Specifications
| Voltage | 230V |
| Power Output | 130W/m² or 195W/m² |
| Membrane Thickness | 5.5mm |
| Cable Length Range | 12m – 200m |
| Protection Rating | IP68 |
| Membrane Material | Polyethylene |
| Cable Insulation | FEP and HR-PVC |
| Robinson Test Rating | Extra Heavy Use |
| Recommended Max Temperature | 27°C (limited by thermostat controls) |
| Warranty | Lifetime |
| Country of Origin (Cable) | India |
| Country of Origin (Membrane) | Italy |
Cable Sizes and Outputs
| Code | Length (m) | Area (m²) @130W/m² | Area (m²) @195W/m² | Output (W) | Resistance (Ω) |
|---|---|---|---|---|---|
| HDMC-012-0150J | 12 | 1.15 | 0.77 | 150 | 352.67 |
| HDMC-018-0225J | 18 | 1.73 | 1.15 | 225 | 235.11 |
| HDMC-025-0300J | 25 | 2.31 | 1.54 | 300 | 176.33 |
| HDMC-031-0375J | 31 | 2.88 | 1.92 | 375 | 141.07 |
| HDMC-037-0450J | 37 | 3.46 | 2.31 | 450 | 117.56 |
| HDMC-042-525J | 42 | 3.90 | 2.60 | 525 | 100.76 |
| HDMC-050-0600J | 50 | 4.62 | 3.08 | 600 | 88.17 |
| HDMC-055-675J | 55 | 5.10 | 3.40 | 675 | 78.37 |
| HDMC-061-0750J | 61 | 5.77 | 3.85 | 750 | 70.53 |
| HDMC-075-0900J | 75 | 6.92 | 4.62 | 900 | 58.78 |
| HDMC-090-1080J | 90 | 8.32 | 4.99 | 1080 | 48.98 |
| HDMC-100-1200J | 100 | 9.23 | 6.15 | 1200 | 44.08 |
| HDMC-125-1500J | 125 | 11.54 | 7.69 | 1500 | 35.27 |
| HDMC-150-1800J | 150 | 13.85 | 9.23 | 1800 | 29.39 |
| HDMC-175-2100J | 175 | 16.17 | 10.78 | 2100 | 25.19 |
| HDMC-200-2400J | 200 | 18.46 | 12.31 | 2400 | 22.04 |
Why Choose ThermoSphere Ultimate?
The ThermoSphere Ultimate® cable redefines underfloor heating reliability. Its TwistedTwin design reduces electromagnetic emissions while increasing flexibility and durability. The in-line cold-to-hot joint ensures a seamless, low-profile installation — making it ideal for both new builds and renovation projects.
With a lifetime warranty and proven extra heavy use rating, ThermoSphere Ultimate is built to deliver consistent warmth and comfort for decades. Whether you’re installing in a bathroom, kitchen, or entire living space, it provides the perfect balance of efficiency, safety, and performance.
FAQs
Can ThermoSphere Ultimate be used with any decoupling membrane?
Yes. ThermoSphere Ultimate is compatible with all leading heating and decoupling membrane systems, giving you full flexibility with your preferred brand.
Is it suitable for wet rooms and bathrooms?
Absolutely. When used with waterproofing products, ThermoSphere Ultimate creates a waterproof layer, making it ideal for wet environments.
What makes the in-line joint design better?
Unlike traditional cables, ThermoSphere Ultimate’s in-line joint eliminates the need to cut into the subfloor to fit a bulky hot/cold joint, simplifying installation and reducing failure risk.
How long is the warranty?
ThermoSphere Ultimate comes with a lifetime warranty, ensuring complete peace of mind.
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