My parts list/tender specifications

Electronic room thermostat insert with Nightly reduction Turn 24 V AC Normally Open (NO)

Data Sheet:

With actual value temperature display Automatic controller calibration Switch contact opens when the set temperature is reached. With built-in slide switch and control lamp for nightly reduction of 4 K. With fixing claws. Separate terminal to activate nighttime mode and reduction of room temperature by 4K. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%.