Specifications

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VENT EXAMPLES FOR SINGLE FLUE
Figure8displaysasingleue(one-pipe)installation.Becausethe
distancefromthereplacetotherstelbowismorethan6inches,
therst90°elbowmustbeconsideredintothetotalventlength.
Theequivalentlengthofthesecond90°elbowalsoneedstobe
addedtothetotallength,butthethirdelbowdoesnotsinceitisthe
ueterminal.Thetotalhorizontalventlengthoftheuesystemis
7feet,andthetotalverticallengthis27feet.Thetwo90°elbows
areequivalentto6feet,bringingthetotalto40feet.
Figure9isanexampleofhowthereplacecanbeventedifthe
ueoutletisbelowtheleveloftheoor.
90
ELBOW°
2’
(61.0cm)
27’
(8.2m)
5’
(1.5m)
VENT TERMINAL
90° ELBOW
(NOT COUNTED)
3 FEET
FIRST 90
DOES NOT GET COUNTED
WHEN WITHIN 6” (15.2cm)
OFF BACK OF HEATER
° ELBOW
SLOPE
Figure 8
Single Flue - Horizontal Tall Vent Run
Example Calculation Max Vent Run 40 feet
H= 5’+2’=7’
V= 27’
(2)-90°= 6’
Total= 40’
90° ELBOW
FLUE CENTER
6”
(15.2cm)
MIN.
1/4” DOWNWARD SLOPE
PER FOOT TO OUTSIDE
12” MIN. TO GRADE
(RECOMMENDED 12” MIN.
TO EXPECTED SNOW LEVEL)
Figure 9
Minimum Exterior Grade Dimension - Single Flue, Horizontal
Venting Below Floor
Figure 7
Single Flue - Straight Out Back
Min 6” Outside Wall
Min 2” From Fireplace to Wall for Intake Air
Min vent length 12”
12” MIN. TO GRADE
(RECOMMENDED 12” MIN.
TO EXPECTED SNOW LEVEL)
6” MIN.
MIN. 2”
12” MIN.
90 ELBOW°
36’
(11m)
1’
(30.5cm)
SINGLE FLUE ADAPTOR
MODEL #PVVK-FC
SLOPE
Figure 10
Single Flue - Vertical Vent Run
H= 1’
V= 36’
(1)-90°= 3’
Total= 40’