digital thermostat 1.110/220 VAC 2.16A/20A 3.thermostat for hot water radiant heating systems Avonflow Baiyilun TRV Co.,Ltd. ... Croatia,Turkey, Poland, Ukraine, England, New Zealand and so on. digital thermostat:Model 509 Programmable Heating Thermostat509 series, large LCD ... digital thermostat, 110/220VAC±10%,16A thermostat for hot water ...