S9V2-VS-SVX001-1D-EN
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Maximum Vent Length Table
Maximum Vent Length Table
Installation Instructions must be followed for installation of the venting system.
Maximum Total Equivalent Length In Feet for Vent or Inlet Air, not combined total (See Notes)
Model
2 inch Pipe 3 inch or 4 inch Pipe
Altitude 0–2,000 Feet
S9V2B040, S9V2B060
200 200
S9V2B080, S9V2C080
100 200
S9V2C100 50 200
S9V2D120 Note 1 200
Altitude 2,001–5,400 Feet
S9V2B040, S9V2B060
200 200
S9V2B080, S9V2C080
80 120
S9V2C100 50 150
S9V2D120 Note 1 200
Altitude 5,401–7,800 Feet
S9V2B040, S9V2B060
100 150
S9V2B080, S9V2C080
50 70
S9V2C100 Note 1 100
S9V2D120 Note 1 100
Altitude 7,801–10,100 Feet
S9V2B040, S9V2B060
50 90
S9V2B080, S9V2C080
Note 1 50
S9V2C100 Note 1 50
S9V2D120 Note 1 50
Notes:
1. Not allowed
2. Minimum vent length for all models: 15 feet.
3. The INLET AIR of one pipe systems require the installation of a minimum of one 90° elbow (to prevent dust and debris from falling
straight into the furnace).
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