Can my thermostat control several baseboards?

Affected products

TH1120-3000, TH1120-4000, TH1120P-3000, TH1120RF-3000, TH1120RF-4000, TH1121RF-3000, TH1121RF-4000, TH1123ZB, TH1123ZB-C4, TH1124ZB, TH1124ZB-C4

Yes, as long as the total wattage of all baseboards does not exceed the thermostat’s maximum load.