Change history for item: Optima MK 21

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1. Donny Darko 08 July 2023 16:11:30
   1. Create: Description #3504150
      Value: Type of heating boiler: gas, max. thermal power: 23 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, type of combustion chamber: closed, type of power supply: single-phase, control: electric
      
   2. Create: Type of heating boiler #3504151
      Value: Electric, heater
      
   3. Create: Number of circuits #3504152
      Value: Single-loop
      
   4. Create: Max. thermal power #3504153
      Value: 21 kW
      
   5. Create: Heated area #3504154
      Value: 210 sq.m
      
   6. Create: Control #3504155
      Value: Electronic
      
   7. Create: Installation #3504156
      Value: Wall-mounted
      
   8. Create: Power steps #3504157
      Value: 3
      
   9. Create: Mains voltage #3504158
      Value: Three-phase
      
   10. Create: Peculiarities #3504159
       Value: Air vent, built-in expansion tank, built-in circulation pump, safety valve, connector for external control, thermometer
       
   11. Create: Expansion tank volume #3504160
       Value: 12 l
       
   12. Create: Equipment #3504161
       Value: Outdoor temperature sensor, display, room thermostat
       
   13. Create: Heat carrier temperature #3504162
       Value: 5 - 80 °С
       
   14. Create: Heating circuit connection #3504163
       Value: 1"
       
   15. Create: Dimensions WxHxD #3504164
       Value: 430x730x200mm
       
   16. Create: Weight #3504165
       Value: 20 kg
       
   17. Create: Image #6342755
       URL: https://avatars.mds.yandex.net/get-mpic/4937511/img_id5332228949389311785.jpeg/orig
       
   18. Create: Image #6342756
       URL: https://avatars.mds.yandex.net/get-mpic/5221935/img_id1447176566257890765.jpeg/orig
       
   19. Create: Image #6342757
       URL: https://avatars.mds.yandex.net/get-mpic/4901324/img_id1456459037490018830.jpeg/orig
       
   20. Create: Image #6342758
       URL: https://avatars.mds.yandex.net/get-mpic/5288781/img_id5346347563762401082.jpeg/orig
       
   21. Create: Image #6342759
       URL: https://avatars.mds.yandex.net/get-mpic/4901324/img_id1639879051160097949.jpeg/orig
       
   22. Create: Image #6342760
       URL: https://avatars.mds.yandex.net/get-mpic/5287649/img_id4714077455345355534.jpeg/orig
       
   23. Create: Image #6342761
       URL: https://avatars.mds.yandex.net/get-mpic/5241173/img_id8527335042993265661.jpeg/orig
       
   24. Create: Image #6342762
       URL: https://avatars.mds.yandex.net/get-mpic/4255269/img_id12459870535856038.jpeg/orig
       
   25. Create: Preview image #6342763
       URL: https://avatars.mds.yandex.net/get-mpic/4937511/img_id5332228949389311785.jpeg/orig
       
2. Donny Darko 30 April 2023 08:50:40
   Name: Optima MK 21; Catalog: Heating boilers