Harman® • XXV Installation Manual_R31 • 2004 -___ • 11/15
17
3-90-00684i
C. Venting & Use of Elbows
continued
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No Change of Combustion
Blower Fan Blade Needed
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Combustion Blower Fan
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Altitude
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20 Ft
25 Ft
30 Ft
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Equivalent V
ent Length (EVL)
Maximum Horizontal Run
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INSTALL VENT AT CLEARANCES SPECIFIED BY THE VENT MANUFACTURER
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