Crown Boiler BIMINI BWC150, Installation Instructions Manual

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The Vent Option #1 column in Table 6.2a describes a horizontal direct vent system using 3” vent pipe. From this
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are not considered. From Table 6.6, the equivalent length of the 3” 45 elbow is 4ft and the equivalent length of the
3” 90 degree elbow is 5.5ft. The maximum allowable run of straight pipe on this system is therefore:
55ft – 4 ft – 5.5ft = 40ft
Since the planned installation has only 14 ft of straight pipe, the planned vent length is acceptable #
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