lattianlämmitys Uponor termostaatti T-37, 4 kpl + muuta
Uponor Smatrix Wave Termostat T-166/T-167 och Uponor Smatrix Base Termostat T-146/T148 Bus - YouTube
What component could it be? Associated with Uponor C-35 controller. This starts with the Uponor C-37 thermostat, which has sometimes been discussed here. Could there be any fet switch 2 channel? SMD