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lmorsino 10-17-2012 10:58 PM

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

joecaption 10-17-2012 11:03 PM

Looks like cast to me.

TheEplumber 10-17-2012 11:05 PM

Quote:

Originally Posted by joecaption (Post 1033062)
Looks like cast to me.

Yep:thumbsup:

plumberinlaw 10-18-2012 04:45 AM

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.

lmorsino 10-18-2012 10:07 AM

Thanks
 
Thanks everyone, for your opinions!

:)

Fairview 10-19-2012 07:37 AM

Quote:

Originally Posted by lmorsino (Post 1033058)
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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