Radiator Thermostat
From Amazon
Danfoss Aero Ravl, Thermostatic Radiator Valve With Gas-Filled Thermostatic Bellow And Buil-In-Sensor, White
Conrad Electronic
Danfoss 015G4550 Aero RA/VL, 26mm Thermostatic radiator valve mechanical 7 up to 28 °C
Athema Services
danfoss danfoss aero sensors, service, gas, sensor type: 015g4550 -