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Old 10-17-2012, 11:58 PM   #1
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Pipe identification


this is a picture of a drain that is in my basement floor, near my furnace. i would like to drain the condensate fluid from the furnace into this drain. the condensate is slightly acidic, and i have heard that if the pipe is made of galvanized steel, it won't stand a chance. if it is cast iron, it will be OK. is this true?

http://imgur.com/9SIGH

i know its hard to tell as the pipe in the picture is 72 years old and there's a bunch of crud on it! but is there any way to tell if it is galvanized or cast? it is 2 inches in diameter and there is a slightly rusty hue along the inside rim, which leads me to think it is cast iron, but i wanted to get a second opinion. all the other drains in the house are cast iron. any help is appreciated...
thanks
lmorsino

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Old 10-18-2012, 12:03 AM   #2
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Pipe identification


Looks like cast to me.

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Old 10-18-2012, 12:05 AM   #3
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Pipe identification


Quote:
Originally Posted by joecaption View Post
Looks like cast to me.
Yep
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Old 10-18-2012, 05:45 AM   #4
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Pipe identification


That is a picture of an old bell trap. It is made of cast iron and set in concrete. Directly under the trap it transitions to 3 or 4 in. clay pipe.
you will be fine to drain into it.
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Old 10-18-2012, 11:07 AM   #5
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Pipe identification


Thanks everyone, for your opinions!

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Old 10-19-2012, 08:37 AM   #6
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Pipe identification


Quote:
Originally Posted by lmorsino View Post
this is a picture of a drain that is in my basement floor, near my furnace. i would like to drain the condensate fluid from the furnace into this drain. the condensate is slightly acidic, and i have heard that if the pipe is made of galvanized steel, it won't stand a chance. if it is cast iron, it will be OK. is this true?

http://imgur.com/9SIGH

i know its hard to tell as the pipe in the picture is 72 years old and there's a bunch of crud on it! but is there any way to tell if it is galvanized or cast? it is 2 inches in diameter and there is a slightly rusty hue along the inside rim, which leads me to think it is cast iron, but i wanted to get a second opinion. all the other drains in the house are cast iron. any help is appreciated...
thanks
lmorsino
I see you got your answer from professionals that work with those.

For future reference, in a pinch you can tell the difference by lightly touching with a grinder. Cast iron will have very few sparks and they will be red. Steel will have many sparks and will be yellow.

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