Use the table below to determine your requirements.
| Type | Output (watts) | Mat Area (m2) | Load (amps) | Resistance (ohms) |
| CWM150-156 | 150 | 1.0 | 0.6 | 352.7 |
| CWM150-225 | 225 | 1.5 | 1.0 | 235.1 |
| CWM150-300 | 300 | 2.0 | 1.3 | 176.3 |
| CWM150-375 | 375 | 2.5 | 1.6 | 141.0 |
| CWM150-450 | 450 | 3.0 | 2.0 | 117.5 |
| CWM150-600 | 600 | 4.0 | 2.6 | 88.1 |
| CWM150-750 | 750 | 5.0 | 3.3 | 70.5 |
| CWM150-900 | 900 | 6.0 | 3.9 | 58.7 |
| CWM150-1050 | 1050 | 7.0 | 4.5 | 50.3 |
| CWM150-1200 | 1200 | 8.0 | 5.2 | 44.1 |
| CWM150-1350 | 1350 | 9.0 | 5.9 | 39.2 |
| CWM150-1500 | 1500 | 10.0 | 6.5 | 35.3 |
| CWM150-1650 | 1650 | 11.0 | 7.2 | 32.1 |
| CWM150-1800 | 1800 | 12.0 | 7.8 | 29.4 |
| CWM150-1950 | 1950 | 13.0 (2 mats) | 8.5 | 27.1 |
| CWM150-2100 | 2100 | 14.0 (2 mats) | 9.1 | 25.2 |
| CWM150-2250 | 2250 | 15.0 (2 mats) | 9.8 | 23.5 |
| CWM150-2400 | 2400 | 16.0 (2 mats) | 10.4 | 22.0 |
| CWM150-2550 | 2550 | 17.0 (2 mats) | 11.1 | 20.7 |
| CWM150-2700 | 2700 | 18.0 (2 mats) | 11.7 | 19.6 |
| CWM150-2850 | 2850 | 19.0 (2 mats) | 12.4 | 18.5 |
| CWM150-3000 | 3000 | 20.0 (2 mats) | 13.0 | 17.6 |
| CWM150-3150 | 3150 | 21.0 (2 mats) | 13.7 | 16.8 |
| CWM150-3300 | 3300 | 22.0 (2 mats) | 14.3 | 16.0 |
| CWM150-3450 | 3450 | 23.0 (2 mats) | 15.0 | 15.3 |
| CWM150-3600 | 3600 | 24.0 (2 mats) | 15.7 | 14.7 |
A contactor can be used where a single thermostat is required to control a total area of underfloor heating exceeding a 13amp fused spur supply. The contactor will control up to a maximum of 146m2 of heating mat or 24amps total loading.
Click here for more information on contactor.
Click here to go to go to the Cablewarm® mat products in our shop.
Please note: All our prices are inclusive of VAT
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