![PRIMARY SECONDARY PIPING WITH BY PASS](/images/new-backgrounds/54311/5431117x1.webp)
PRIMARY SECONDARY PIPING WITH BY PASS
FIGURE 8
7. Installation using circulators is shown in figure 9 below.
FIGURE 9
8.Installation using zone valves is shown in figure 10 on page 9.
9.For further piping information refer to the I=B=R Installation and Piping Guide.
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