What if my area to be heated exceeds 25 square metres?

The Warmup® XSTAT Thermostat has a resistive load of 16 amps and therefore the maximum number of heaters that can run through one thermostat is 4 x DWS800 (13.4 amps - 25m²).

For areas in excess of 25m² you must run the heaters through a relay (which allows for multiple circuits) and one thermostat.

If unsure discuss with your electrician to determine the best course of action for your situation.  We recommend use of multiple thermostats for ease of installation, as it is the floor temperature being measured, and not the ambient air temperature.  The thermostats do not have to be visible.