Eq 3 radiator thermostat set eq 3 4016138939255 p the eq 3 4016138939255 is a radiator model n thermostat set that can conveniently regulate the room temperature the radiator thermostats are easy to install simply unscrew the old thermostat and then install the new one eq 3 4016138939255 radiator thermostat set from 5 to 29 5 c pack of 3