Tag: T19XWHB-7 SL

Saswell T19XWHB-7 SL Wired Programmable Boiler Thermostat  Important notes before first use, installation, and maintenance Before use, carefully read the manual not only for the thermostat but also for the Heating device (heat pump, pumps, boilers, etc.) Turn off the power supply before installing the thermostat! We recommend that the installation is done by a…