Cleaver-Brooks ClearFire CFLC-5000 - Pressure Drop Curves; Dual Returns

Section 2 — Installation
Part No. 750-363 2-15
If using only a single (common) return, the low temperature connection should be used. The low
temperature connection is on the left when facing the rear of the boiler.
2.8.4 Pressure drop curves
The information in Figure 2-9 and in Tables 2-8 and 2-9 can help in determining pump requirements for
Model CFLC installations.
Figure 2-8 Dual returns
Low Temp.
Return
High Temp.
Return