Pvc 1120 vs pvc 1140
Monday, June 17, 2013 9:05 PM
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Hi, I am trying to plumb a return for 4 ten gallon tanks using 3/4" PVC (yes I know I could have gone much smaller.. too late now). I miscalculated when I was cutting lengths so I went back to Lowes and picked up a 10' section of 3/4" PVC. What I didn't notice, was that I bought the thin wall stuff. It fits into all my fittings fine, but I just want to confirm it shouldn't fail or anything. I just hate to have to go back to lowes again and buy the thicker wall stuff. The return has a pipe that returns back to the sump, so it's really not under pressure, even if I shut off all 4 tanks. I searched the forum, and I didn't find anything on it. PVC 1120 is your standard stuff you find in Lowes, it has a relatively thick wall. I've also seen the pipe labled cp-112-P PVC 1140 is thin wall PVC. Outer diameter is the same as PVC 1120. I've also seen it labeled CP-114-P.
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