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-flow systems only
Figure 5
Recommended piping, OSB-3, -4 and -5,
piping for parallel-flow systems only
Figure 6
Recommended piping, OSB-6, piping for
parallel-flow systems only
Figure 7
Recommended piping, OSB-6, piping for
parallel-flow systems only
Float-type low water cutoff — If field 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
