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
Uponor Radio Controller C-56+I-76 W | Underfloor Store
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