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DWS400
Warmup DWS400 DWS Series Undertile Heating Kit – 400W Dual-Core Cable for Flexible, Low-Profile Heating Installations
The Warmup DWS400 Loose Wire System features a 2mm dual-core heating cable, offering powerful undertile heating with maximum flexibility. Ideal for awkwardly shaped rooms, this low-profile system provides efficient heat without altering floor height.
- Low-Profile Design: Ultra-thin 2mm cable won’t impact floor levels, perfect for renovation projects.
- Adaptable Installation: Loose wire format allows accurate placement around fixtures and within complex layouts.
- Fast, Even Heating: Produces 150W/m² for responsive, consistent warmth beneath tile or stone finishes.
- 400W Output: Suitable for 2.7m² of heated floor area, ideal for small to medium-sized spaces.
- Compatible System: Works seamlessly with Warmup insulation boards and thermostats for complete control.
Technical Specification
- System Type: Loose Wire Undertile Heating
- Cable Thickness: 2mm dual-core
- Coverage: 2.7m² at 150W/m²
- Output: 400W total
- Voltage: 230V
✅ Install the Warmup DWS400 for a precise, efficient heating solution in challenging floor layouts!

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.