I Series Solo Installation Manual

111
Rinnai I-Series Condensing Boiler Solo Manual
IMPORTANT
Primary/secondary piping is necessary in the following applicaons:
 When using external pumps
 Large zoned systems
 High ow applicaons
 Systems with high dierenal pressures
 Systems with high pressure drops
For pressure curve informaon, refer to the following secon in the Appendix: “14.7 CH
Pressure Drop and Flow Curve”
Legend: