40
C199 Manual
PVC/CPVC Equivalent Vent Length Calculation Sheet
Note: Ensure SW 1 in DIPSW 1 is in “OFF” position if vent length is greater than 21ft (6.4m).
Fitting / Termination Type
Number of
fittings
Equivalent Vent
Length
Total Equivalent
Length
1)
90 elbow
x
5
=
2)
45 elbow
x
2.5
=
3)
IPEX Low Profile Termination
X
5
=
4)
IPEX 4" Concentric Termination
x
20
=
5)
IPEX 3" Concentric Termination
x
20
=
6)
3" Tee Termination
x
5
=
7)
4" Tee Termination
x
5
=
8)
3" Snorkel Termination
x
15
=
9)
4" Snorkel Termination
x
15
=
10)
Length of Straight Section in feet
NA
=
Total
(add up
lines 1 through
Equivalent Vent Length Calculation Sheet
Содержание c199e
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