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Finned copper tube gas boilers & water heaters – Boiler manual
FTXLF-IOM-HN-1-110308 Copyright 2008 Mestek, Inc.
VENT OPTION 1: DIRECT VENT — Combination direct vent system
Figure 3
Vent pipe and air pipe equivalent lengths must not exceed 100 feet each. See Table 3 or 4 for min. pipe diameters.
Locate exhaust terminal
downwind
from air intake
to reduce potential for flue
gas recirculation. Failure to
comply could result in severe
personal injury or death.
VENT OPTION 1: DIRECT VENT — Vertical air intake and venting for direct vent system
Figure 4
Vent pipe and air pipe equivalent lengths must not exceed 100 feet each. See Table 3 or 4 for min. pipe diameters.
