OSB 2 SERIES - Page 8

8 Part Number 550-110-772/0816
OSB Series 2 Oil-Fired Steam Boilers – Boiler Manual
Figure 4 Recommended piping, OSB-3, -4 and -5,
piping for parallel-ow systems only
Figure 5 Recommended piping, OSB-3, -4 and -5,
piping for parallel-ow systems only
Figure 6 Recommended piping, OSB-6, piping for
parallel-ow systems only
Figure 7 Recommended piping, OSB-6, piping for
parallel-ow systems only
 Float-type low water cutoff — If eld installing a
float-type low water cutoff, it must be piped only to
the gauge glass tappings. See Figure 18 on page
26. The tappings are spaced 9
7
/
8
”oncenter.Use
only float-type low water cutoffs with quick-connect
hookups that will provide a low water cutoff point
no higher than 2” above the center of the bottom
tapping.
4 Connect steam piping continued