熟女视频一区二区在线观看,国产老肥熟xxxx,亚洲精品一区二区另类图片,老牛嫩草一区二区三区的区别

For 2-stage forced draught and combi oil/gas burners

Possible flame detectors:

- Ionization probe

- Infrared flicker detector

The gas burner automatic safety control MMI controls and monitors blown gas- and combined burners of any nominal thermal load (tested and certified according to EN 298).

The automatic safety controls MMI810.1 models 13, 33 and 35 can also be utilized for burners on fixed hot air heaters (Direct air heaters according to DIN 4794).