This surface-mounted thermostat has been developed to be able to switch 2-wire boiler.  which is for upgrade for your old mechanical thermostat. Item No.: HT-16 Transmitter : 2*AAA battery Programmability: 7days programmable Temperature settings: 5°C ~ 35°C, 0.5°C increments Packing : Netural White Box, OEM acceptable Cetificate:CE, ROHS, RED

WT-11 is a wireless boiler room thermostat with which is a kind of convenient way to remotely control heating systems in domestic and commercial buildings. Item No.: WT-11 Programmability: 7days programmable Mode: Manual Mode, Away Mode, PRG Mode  Color:  White  Backlight: White Material:  ABS+PC Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration  Optional: Opentherm protocol, WiFi optional, Zigbee optional Cetificate: CE, ROHS, UKCA, REACH, RED