Figure 19: Flag Layout; Figure 20: Modified In-Series Layout - Roberts Gorden VANTAGE NP CTHN-125 Installation & Operation Manual

CTHN-S I , O
ERIES NSTALLATION PERATION AND

FIGURE 19: Flag Layout

Multiple rows of burners:
pump placed at the end of the manifold tube.
32
S M
ERVICE ANUAL

FIGURE 20: Modified In-Series Layout

Multiple burners:
pump placed at the end of the manifold tube.
A variation on the flag layout.