Mendota ML54, Инструкция по установке и эксплуатации

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85-03-01145 ML54 Page 68
Vertical Through-The-Roof Venting Using Four 90
0
Elbows
In extreme situations, four 90
0
elbows may be required to reach a proper exit point for the vent system. Mendota has spent
considerable time and effort in the design of this fireplace and its venting system. Through this effort, Mendota has been able
to certify the use of Four 90
0
elbows.
The use of Four 90
0
elbows must meet some minimum prerequisites.
Prerequisite #1: The vent system must terminate vertically using a vertical vent cap.
Prerequisite #2: There must be a minimum 4 feet of vertical starter section connected directly to the top of this fireplace.