
Warmup WIS3140 Blue In-Screed 6mm Underfloor Heating Cable Length : 157m - 3140W 230V
WIS3140
Warmup WIS3140 Blue In-Screed Heating Cable – 3140W 6mm Cable for Large-Scale Screeded Floor Heating
The Warmup WIS3140 Blue In-Screed Heating Cable is a high-capacity 6mm cable designed for efficient and reliable underfloor heating in screeded floor constructions. With a 157m length and powerful 3140W output, it is ideal for large residential or commercial spaces requiring consistent heat distribution beneath hard floor finishes.
- Designed for Screeded Floors: Suitable for embedding in screed beneath tile, stone, or similar fixed flooring in large areas.
- Robust 6mm Cable: Built for durability and long-term performance in demanding floor heating applications.
- 157m Cable Length: Provides 3140W of total heating output, perfect for extensive floor coverage.
- Flexible Installation: Easily installed using fixing tape or bands, allowing tailored cable spacing for even heating.
- Thermostat Compatible: Pairs with Warmup thermostats for precise temperature control and energy efficiency.
Technical Specification
- Product Type: In-Screed Heating Cable
- Cable Diameter: 6mm
- Cable Length: 157m
- Total Output: 3140W
- Voltage: 230V
✅ Choose the Warmup WIS3140 In-Screed Heating Cable for high-powered, efficient heating across expansive screeded floor installations!

Range | Warmup WIS In Screed |
Product | Underfloor Heating |
Type | UFH Cable |
Wattage | 3140 W |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.