IBC SL 30-199 G3 - Page 34

INSTALLATION AND OPERATION INSTRUCTIONS
1-26
SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS
Figure 33: Typical one-temperature space heating piping concept
Figure 32: One-temperature space heating piping concept - tees on secondary piping