If you are in need of a cost-effective wired boiler thermostat, the HT-25 mentioned below could potentially fulfill your requirements. This is a wired thermostat specifically designed to regulate the temperature in your home by controlling the on/off function of a gas boiler. Programmable wired thermostats enable you to input an ideal comfort temperature and effectively manage the heating system, ensuring that it turns on or off as needed to maintain this desired setpoint temperature. ·       Item No.: HT-25 ·       Programmability: 7 days 4 periods programmable (6 period also avaivable) ·       Mode: Manual Mode, Away Mode, PRG Mode  ·       Color: Black or 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 ·       Cetificate: CE, ROHS, UKCA, REACH Briefly describe the features of this cost-effective thermostat: 1.This wall-mounted boiler thermostat is programmable, allowing you to set four periods for each day. 2.The display indicates both the set temperature and the measured temperature, along with the current time.  The temperature is displayed in degrees Celsius. 3.The thermostat is equipped with a wall-mounted frame, base, and an exceptionally compact receiver (surface-mounted).   For more details about this product, please click Weekly Programming Wired Room Thermostat for Gas Boiler Manufacturer,Wholesale Weekly Programming Wired Room Thermostat for Gas Boiler (etopcontrols.com)