Wifi Water/Electric Floor Heating Thermostat Gas Boiler Voice Temperature Contro
MH1822L: Water/Gas boiler, 3A, no wifi. MH1823L: Water/Gas boiler 3A, With wifi. MH1822D: Electric Floor Heating, 16A, no wifi. MH1823D: Electric Floor Heating 16A, With wifi. MH1822S: Water Heating, 3A, no wifi.