Image: DEVIwarranty
DEVIheat™ is a high-quality, braided-screen, self-adhesive all-in-one mat with FEP insulated conductors and a red PVDF outer sheath (non UV stable). The round profile, very low height (only 2.5 mm) and robust construction ensure a fast, simple and safe installation — perfect for renovating existing floors.
Features and applications
- Thinnest mat on the market
- Under tile / in screed applications
- Fast and easy to install
- Self-adhesive mesh
- Very low height — only 2.5 mm
- Long lifetime
Full-service warranty: 20 years covering the product, the installation and the floor. How the DEVI warranty works
Specifications
| Nominal voltage | 230 V~ |
|---|---|
| Construction | Round, single conductor with screen, two cold leads |
| Output | 150 W/m² @ 230 V~ |
| Max. permissible use temperature, powered | 110 °C |
| Max. permissible use temperature, unpowered | 120 °C |
| Cable thickness | 2.5 mm |
| Deformation strength | 600 N |
| Pulling strength | 120 N |
| Conductor insulation | FEP |
| Outer sheath | PVDF |
| Screen | 10 x Cu threads |
| Cold lead | 2 x 3 m, DSWB, 1 x 1.0 mm², earthed |
| Min. installation temperature | -5 °C |
| Bending Ø, min. | 6 x cable diameter |
| IP class | IPX7 |
| Set with flexpipe | Flexpipe, inner Ø 6.7 mm, outer Ø 10 mm, 2.5 m, black |
Options and product codes
DEVI product codes. Choose the mat by heated area, not room area. Thermostats are ordered separately.
| Product code | Output @ 230 V~ | Size (W x L) | Heated area | Resistance |
|---|---|---|---|---|
| 140F0328 | 75 W | 0.5 x 1 m | 0.5 m² | 705 Ω |
| 140F0329 | 150 W | 0.5 x 2 m | 1.0 m² | 353 Ω |
| 140F0330 | 225 W | 0.5 x 3 m | 1.5 m² | 235 Ω |
| 140F0331 | 300 W | 0.5 x 4 m | 2.0 m² | 176 Ω |
| 140F0332 | 375 W | 0.5 x 5 m | 2.5 m² | 141 Ω |
| 140F0333 | 450 W | 0.5 x 6 m | 3.0 m² | 118 Ω |
| 140F0334 | 525 W | 0.5 x 7 m | 3.5 m² | 101 Ω |
| 140F0335 | 600 W | 0.5 x 8 m | 4.0 m² | 88 Ω |
| 140F0336 | 750 W | 0.5 x 10 m | 5.0 m² | 74 Ω |
| 140F0338 | 900 W | 0.5 x 12 m | 6.0 m² | 59 Ω |
| 140F0339 | 1050 W | 0.5 x 14 m | 7.0 m² | 50 Ω |
| 140F0340 | 1200 W | 0.5 x 16 m | 8.0 m² | 44 Ω |
| 140F0337 | 1350 W | 0.5 x 18 m | 9.0 m² | 39 Ω |
| 140F0341 | 1500 W | 0.5 x 20 m | 10.0 m² | 35 Ω |
Data from the Heat Zone 2026 product catalogue. Check the current DEVI data sheet for your exact product code before installation. Need the PDF data sheet? Call 1800 519 654 or email info@heatzone.com.au.
More indoor floor heating
Image: DEVIDEVImat 150T
Thin twin-conductor mat on a self-adhesive mesh, laid straight into the tile adhesive. Only 3.5 mm high.
- Bathrooms, ensuites, kitchens
- Under tile and in screed
Image: DEVIDEVIcomfort 150T
Twin-conductor self-adhesive mat with a tough red PVC sheath. A cost-effective choice for tiled bathrooms and renovations.
- Bathrooms and ensuites
- Renovating existing floors
Image: DEVIDEVImat 200T
Higher-output mat for faster warm-up and rooms with more heat loss, such as bathrooms over cold slabs.
- Wet areas
- Cold slabs and large windows