My parts list/tender specifications

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

Data Sheet:

Electronic room thermostat, open contact, fm Normally open contact, non-isolated Switch contact opens when the set temperature is reached. Without fixing claws. Separate terminal to activate eco mode to reduce the room temperature by 3K See respective cover plates 1794 R-xx. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%. Rated voltage: 230 V~ Power dissipation: ≤ 0,15 W Rated current: 10 A Temperature range (device): 5 °C - 30 °C Dimensions: (L x W x D): 71 mm x 71 mm x 30 mm Mounting depth: 25 mm Protection class device: IP 20 Only in conjunction with standard flush-mounting boxes according to DIN 49073, erect or Busch-Jaeger No. 3040 wallbox stonework, 3050 wallbox cavity wall or 3060 wallbox concrete Servo-valves, "de-energised open", are necessary for connection to thermostat. e.g. Article No. 6164/10-102 Switching temperature difference: ± 0.5 K