Can my thermostat control a fan-forced heater?

Affected products

GT125-K2, TH1120-3000, TH1120-4000, TH1120P-3000, TH1120RF-3000, TH1120RF-4000, TH1121RF-3000, TH1121RF-4000, TH1123ZB, TH1123ZB-C4, TH1124ZB, TH1124ZB-C4, TH1500RF

Thermostats of the TH1120, TH1121, TH1123, TH1124 and TH1500 series can be used with a fan-forced heater. To do this, refer to the advanced settings section of your installation guide to set the thermostat to the “long cycle” mode.