PEERLESS Stainless Steel Gas Boilers Installation, Operation & Maintenance Manual page 24

VENTING, INLET AIR AND CONDENSATE
Figure 5.2: PI-80, PI-140, and PI-199 Sidewall
Venting with 3" Pipe (Air Inlet at Higher
Elevation than Exhaust Termination).
Figure 5.3: PI-T50 & PI-T80 Sidewall Venting with
2" Pipe (Air Inlet at Higher Elevation
than Exhaust Termination).
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Figure 5.4: PI-80, PI-140, PI-199 Sidewall Venting
with 3" Pipe (Air Inlet and Exhaust on
the same Elevation).
Figure 5.5: PI-T50 & PI-T80 Sidewall Venting with
2" Pipe (Air Inlet and Exhaust on the
same Elevation).
WARNING
All exhaust vent pipes must be glued, properly
supported, and pitched at a minimum of ¼" per foot
back to the boiler. Failure to do so may result in severe
personal injury, death, or substantial property damage.