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Page 6
LAARS HEATING SYSTEMS
Figure 6. Part number 2400-360 provides the required venting materials for concentric through-the-roof vents. It allows
for a vertical vent, straight off the top of the unit, from 2 to 7 feet (0.6 to 2.1m).
Figure 5. Part number 2400-328 provides all of the required venting materials for appliance installations that require
adjustable horizontal run, but a short vertical run. It requires minimum above unit clearance of 13" (330mm) and
provides for an adjustable horizontal run of 2' to 3-1/2' (0.6 to 1.1m).