12
CONNECTING SUPPLY AND RETURN PIPING
Typical installation using circulators is shown in
8.
figure
#9.
Typical installation using zone valves is shown in
9.
figure #10.
For further piping information refer to I=B=R
10.
installation and piping guide.
Figure #9 - Primary Secondary Piping With Bypass
Figure #10 - Primary Secondary Piping With Bypass