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Old 10-18-2015, 07:22 PM   #1
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chimney caps ?


i think i need a new one. the one up there now looks like this one. el-cheapo.
http://ecx.images-amazon.com/images/...iL._SX300_.jpg


while i am not opposed to getting another one of these, as the price is right.
if these are not that good, and/or i can get one that at least looks nicer. and doesn't cost a lot.

suggestions ?

oh, this is for the gas furnace and HWH, and i think its 4", but could be wrong.
and its a pipe sticking up from the brick chimney.
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Old 10-18-2015, 07:29 PM   #2
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ooops. double post. please delete.
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Old 10-18-2015, 08:36 PM   #3
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That's a fresh air rain cap. You'll want to make sure that there's a mesh on it to keep birds and the like out.

Cheers!
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Old 10-18-2015, 10:33 PM   #4
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https://www.google.com/search?q=4%22...odT_ULvQ&dpr=1
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Old 10-19-2015, 04:25 AM   #5
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Shanty cap. Commonly used on chimneys/flues of older houses around here.
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Old 10-19-2015, 07:45 PM   #6
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thanx, fella's. i didn't know those terms. but this has got me to thinking, i could make my own. i'm going to chew on this, and keep an eye out for something interesting that could be used as a cap. then see what comes of it.

thanx
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Old 10-19-2015, 08:42 PM   #7
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If you are going to go through the trouble of making one, make it out of Copper.
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Old 10-19-2015, 09:37 PM   #8
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They are made out of aluminum here. Depending on where you live, it may have go be certified for gas venting

Cheers!
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Old 10-19-2015, 11:42 PM   #9
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I am making assumptions about circumstances behind your post, but why not spray paint the one you are already using to make it look good, or repair it as necessary (since you were thinking of making your own).

If/when you get a new furnace in the future, it will likely be a higher efficiency unit with condensing exhaust, requiring a different exhaust setup.
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Old 10-20-2015, 04:23 AM   #10
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Quote:
Originally Posted by ChuckF. View Post
If you are going to go through the trouble of making one, make it out of Copper.
Copper will discolor and pit from the acids in the exhaust fumes.
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Old 10-20-2015, 08:11 PM   #11
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Quote:
Originally Posted by RustNeverSleeps View Post
I am making assumptions about circumstances behind your post, but why not spray paint the one you are already using to make it look good, or repair it as necessary (since you were thinking of making your own).

If/when you get a new furnace in the future, it will likely be a higher efficiency unit with condensing exhaust, requiring a different exhaust setup.
the one up there now is rusted.
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Old 10-20-2015, 09:14 PM   #12
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Stainless! Once and done.
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Old 10-22-2015, 03:08 AM   #13
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Quote:
Originally Posted by Fix'n it View Post
the one up there now is rusted.
I was guessing it might be rust, since mine was rusted as well. I cleaned/washed my pipe a bit and then sprayed using an inexpensive aerosol can of flat black paint that more or less matched the original color. The end result looked more than good enough from ground level, though it is uncertain how long it will last before more rust might reappear.
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Old 10-22-2015, 09:27 AM   #14
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Get a aluminum one not galvanized and it won't corrode as fast. If you live in a cold climate where it can ice up then a screen can be a hazard and cause CO poisoning. There are special large bird proof types but you still need to keep a eye on them for ice buildup.
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Old 10-22-2015, 07:51 PM   #15
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thanx everyone.

the one up there now, its not just rusted, it has some small holes in it.

thanx yuri. never thought of the iceing up thing
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