Cable Sizing Guide
Floor Heating Cable Size
There is a Livella floor heating system for every home and family.
Use the sizing guide below to select the perfect heater for the area that you wish to heat. Choose a UF15 under floor / in screed heater for energy-efficient and on-demand operation, and an IS35 in slab heater in new homes with access to off-peak electricity prices.
Match a reliable and efficient Livella-brand heating cable with a KT0500 Installation Kit for a complete package; including a programmable thermostat, floor temperature sensor, fixing consumables and installation monitor.
Under Tile / Under Carpet / Under Timber Heating
Model Number |
Recommended Coverage |
System Output |
Cable Length |
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| UF0200 | Floor Heating Cable 1.0 – 1.6m² | 200W | 13m | ||
| UF0300 | Floor Heating Cable 1.6 – 2.2m² | 300W | 20m | ||
| UF0400 | Floor Heating Cable 2.2 – 3.0m² | 400W | 27m | ||
| UF0500/PK5000 | Floor Heating Cable 3.0 – 4.0m² | 500W | 33m | ||
| UF0650 | Floor Heating Cable 4.0 – 5.0m² | 650W | 43m | ||
| UF0800 | Floor Heating Cable 5.0 – 6.0m² | 800W | 53m | ||
| UF1000 | Floor Heating Cable 6.0 – 7.5m² | 1000W | 67m | ||
| UF1250 | Floor Heating Cable 7.5 – 9.0m² | 1250W | 83m | ||
| UF1500 | Floor Heating Cable 9.0 – 11.0m² | 1500W | 100m | ||
| UF1800 | Floor Heating Cable 11.0 – 13.5m² | 1800W | 120m | ||
| UF2000 | Floor Heating Cable 13.5 – 16.0m² | 2000W | 133m | ||
| UF2500 | Floor Heating Cable 16.0 – 20.0m² | 2500W | 167m | ||
| UF3000 | Floor Heating Cable 20.0 – 24.0m² | 3000W | 200m | ||
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In Slab Heating Cables / Background Heating for New Homes
Model Number |
Recommended Power Density |
System Output |
Cable Length |
| IS0295 | Builder’s Specification (80 – 200W/m²) | 295W | 8m |
| IS0495 | Builder’s Specification (80 – 200W/m²) | 495W | 14m |
| IS0735 | Builder’s Specification (80 – 200W/m²) | 735W | 21m |
| IS0900 | Builder’s Specification (80 – 200W/m²) | 900W | 26m |
| IS1260 | Builder’s Specification (80 – 200W/m²) | 1260W | 36m |
| IS1580 | Builder’s Specification (80 – 200W/m²) | 1580W | 45m |
| IS1820 | Builder’s Specification (80 – 200W/m²) | 1820W | 52m |
| IS2030 | Builder’s Specification (80 – 200W/m²) | 2030W | 58m |
| IS2320 | Builder’s Specification (80 – 200W/m²) | 2320W | 66m |
| IS2760 | Builder’s Specification (80 – 200W/m²) | 2760W | 79m |
| IS2950 | Builder’s Specification (80 – 200W/m²) | 2950W | 84m |
| IS3540 | Builder’s Specification (80 – 200W/m²) | 3540W | 101m |
| IS4225 | Builder’s Specification (80 – 200W/m²) | 4225W | 121m |
| IS5620 | Builder’s Specification (80 – 200W/m²) | 5620W | 161m |
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Contact us today to get all of your questions answered.
Alternatively, call us on (09)2712493, have a chat with one of our experts and get your dream underfloor heating plans underway.
