PEERLESS Stainless Steel Gas Boilers Installation, Operation & Maintenance Manual page 19

**IMPORTANT NOTE: All vent pipes must be glued, properly
supported, and the exhaust must be pitched minimum of a
1/4" per foot back to the boiler (to allow drainage of
condensate).
Figure 5.5:3" " Roof Vent with Tee (Intake) &
Coupling (Exhaust)
DIAGRAMS FOR VERTICAL VENTING
**IMPORTANT NOTE: All vent pipes must be glued, properly
supported, and the exhaust must be pitched minimum of a
1/4" per foot back to the boiler (to allow drainage of
condensate).
Figure 5.6:3" " Roof Vent with 3" " Concentric
Vent Kit (KGAVT0601CVT)
VENTING
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