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15 - existing vent as a chase, 10 - installation - vent and combustion air – Slant/Fin VSL-160C Part B User Manual

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10.15 - Existing
vent as a chase

Follow all existing termination and
clearance requirements of section 10-
13.
The maximum allowable equivalent
vent and air intake lengths for this
venting arrangement are to be
determined from Section 10-4.

Use only approved venting materials
listed in Tables 10-1 and 10-2.

10 - INSTALLATION - Vent and combustion air

Figure 10-30 Alternate concentric
vertical venting (Example n°3)

Combustion
air intake

Flue exhaust

Seal

Existing

Sealed
cap

Seal

Flue outlet