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

品牌：Satronic - Honeywell

產(chǎn)地：美國

MMD900.1 - Oil Burner Safety Control

For 2-stage oil burners with a blue flame

Flame detector: IRD 1010

QRC 1... (LANDIS+GYR)

The release of valve 2 is delayed in such a way that the mixing zone of the burner is at the right temperature so that the 2nd stage can se properly added.

At flame failures shortly after the safety time, the control box goes to lockout