treesprite March 20, 2009 Share March 20, 2009 (edited) I found heat guns on sale at Harbor Frieght Tools several days ago (only $10), so I decided to get one and bend some of my PVC isntead of using so many elbows. Due to the way my setup is, there are a lot of turns and the risk for leaks was too high for my comfort. The pic is of 1/2" PVC which is the small return from the fuge/dsb. I didn't do this with the return from the primary pump, basically because I need to be able to bend the 1" pvc without getting really restrictive creases. Does anyone have a technique for preventing severe creases that would seriously restrict flow in 1" pvc? Edited March 20, 2009 by treesprite Link to comment Share on other sites More sharing options...
flowerseller March 20, 2009 Share March 20, 2009 try packing it with sand, heating and bending. You sure a couple feet of flexible pvc wouldn't be better? Link to comment Share on other sites More sharing options...
treesprite March 20, 2009 Author Share March 20, 2009 try packing it with sand, heating and bending.You sure a couple feet of flexible pvc wouldn't be better? I already have this pvc here and it only takes a few minutes to put the bends in it. Link to comment Share on other sites More sharing options...
Origami March 20, 2009 Share March 20, 2009 I've heard of people packing cornstarch into the pipe and bending it, too. I couldn't tell you how it compares with sand. Maybe it doesn't conduct heat as well (which is what you want in this case). Or maybe sand is better. Give it a go and report back! Link to comment Share on other sites More sharing options...
reefmontalvo March 20, 2009 Share March 20, 2009 Be sure you also check to make sure your not making the pipe brittle at the points of greater heat. Link to comment Share on other sites More sharing options...
ctenophore March 21, 2009 Share March 21, 2009 Try using a curved object to form the pipe around while it is hot. Maybe a mason jar, applesauce jar, or larger, depending on the size of the pipe. Cornstarch/sand is a great idea, I never thought of that! Link to comment Share on other sites More sharing options...
lanman March 25, 2009 Share March 25, 2009 put an old-fashioned screen-door spring inside - assuming you can find one that fits fairly snug. bob Link to comment Share on other sites More sharing options...
treesprite March 25, 2009 Author Share March 25, 2009 I tried the sand method in teh 1" pipe for the returns and it worked perfectly! Link to comment Share on other sites More sharing options...
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