
Warmup DWS800X3+DWS400 DWS Series 2mm Dual Core Undertile Cable Heating Kit With Heating Cable, Primer, Roller & Securing Tape Coverage 19.0m²-20.4m² 2800W 230V 150W/m²
3XDWS800+DWS400
Warmup 3xDWS800+DWS400 DWS Series Undertile Heating Kit – 2800W High-Capacity System with Complete Installation Pack for Large Irregular Areas
The Warmup 3xDWS800+DWS400 Loose Wire Heating Kit provides a powerful 2800W output, covering 19.0–20.4m² at 150W/m². With ultra-thin 2mm dual-core cables and a full accessory pack including primer, roller, and securing tape, this kit is ideal for large or awkwardly shaped tiled areas requiring precision and high heat coverage.
- Ultra-Thin 2mm Cable: Slimline cable design ensures minimal floor build-up – ideal for both new and retrofit projects.
- Flexible Multi-Cable Layout: Includes three 800W cables and one 400W cable for adaptable installation in complex room layouts.
- High Heat Output: 2800W total power provides efficient, consistent heating across 19.0–20.4m² at 150W/m².
- Complete Installation Kit: Supplied with primer, roller, and fixing tape for a professional, ready-to-go setup.
- Optimised for Tile & Stone: Suitable for installation beneath ceramic, porcelain, or natural stone flooring.
Technical Specification
- System Type: Loose Wire Undertile Heating
- Cable Thickness: 2mm dual-core
- Total Output: 2800W (3 x 800W + 400W)
- Coverage: 19.0–20.4m² at 150W/m²
- Voltage: 230V
✅ Choose the Warmup 3xDWS800+DWS400 kit for powerful, flexible heating in large or irregularly shaped tiled areas – complete with everything needed for installation!

Range | Warmup DWS Series |
Product | Underfloor Heating |
Type | UFH Cable |
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.