Northern Tool would not recommend using this vent cap on a cast iron vent pipe. The manufacturer (SunStar) lists a maximum temperature rating of 400 degrees F. Cast iron pipes can be up to 600-700 degrees, but if your vent is under 400 degrees, you will be safe.
SunStar Heating Products Combustion Air Cap, 4in., Model# 41000020
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$42.99
- Used for fresh air (combustion air) duct termination
- Fits Type B or single wall flue pipe
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Specifications
Specifications
SunStar Heating Products Combustion Air Cap, 4in., Model# 41000020
DuraVent DuraPlus 12in.Chimney Pipe, Model# 6DP-12
DuraVent DuraPlus 36in. Chimney Pipe, Model# 810000523
DuraVent DuraBlack 90° Elbow, Model# 6DBK-E90
Material
Same
Aluminum
Multiple
Stainless Steel
Steel
Diameter
Same
4 in
10 in
10 in
6.5 in
Length
Same
18 in
12 in
10 in
-
Height
Same
-
-
36 in
-
Product Weight
Same
-
-
17.6000 lb
-
Dimensions L x W x H (in.)
Same
-
-
10.0 x 10.0 x 36.0 in
-
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See All SunStar Venting
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