Venting Multiple Units - Polaris PGC Instruction Manual

VENTING MULTIPLE UNITS

VENTING ADDITIONAL POLARIS® UNITS
(130,000 & 150,000 BTU/HR MODELS)
When using two water heaters with inputs of 150,000 BTH/HR or
below, install vent terminations using either Method A or Method
B below:
When using three or more water heaters with inputs of 150,000
BTH/HR or below, install vent terminations per Method C or
Method D:
VENTING ADDITIONAL POLARIS® UNITS (175,000 &
199,000 BTU/HR MODELS)
When using two water heaters with inputs of 175,000 BTH/HR or
above, install vent terminations using either Method A or Method
B below:
Figure 31
Figure 32
Figure 33
When using three or more water heaters with inputs of 175,000 BTH/
HR or above, install vent terminations per Method C or Method D:
CONCENTRIC VENTING MULTIPLE WATER HEATERS
(ALL MODELS)
When concentric venting two water heaters, install vent
terminations using either Method E or Method F below:
When concentric venting three or more water heaters, install vent
terminations using Method G below:
30
Figure 34
Figure 35