Evaporative Water Coolers - Poly tubing will not stay connected

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Blkcat16
08-24-06, 09:11 PM
I know this shows my lack of mechanical abilities. I cannot get the poly tube to stay connected. If I push it past the barb the tubing splits and leaks. If I only push it up to the bard the tubing slips off.
Any suggestions?
Thanks

Ed Imeduc
08-24-06, 09:54 PM
Is this new poly???? If so sure its the right size?? The wall of it can be to thick???
try a hair dryer to warm the tube and slip it on.

ED
Blkcat16
08-24-06, 10:10 PM
The poly is new 1/4 inch. The old poly was too brittle (over 12 years old). I will try the hair dryer idea tomorrow. Do you think the poly is supposed to go past the barb?
Thanks

Ed Imeduc
08-24-06, 10:18 PM
YES . Dont get the poly to hot . Just so its soft like

ED
Blkcat16
08-26-06, 12:53 PM
It's been a couple of days now and the poly has not slipped off. I was trying Brass Conversion Barbed Adapter that

Adapts poly tube to brass fittings without using 1/4" cc sleeve

I used the 1/4" Delrin Sleeve & 1/4" Poly Tube Brass Insert the last time and it sure did not look like it would be better but the poly tubing is holding nicely. After another 5 or so days if no leaks I will consider it fixed. Thanks.
mla2ofus
08-26-06, 03:13 PM
I ve always used the sleeve and insert and never had a problem with it.
Mike
Blkcat16
08-29-06, 11:24 AM
Poly tubing holding nicely and I hereby consider it fixed. I will never try the barbed connector again.
Ed Imeduc
08-29-06, 01:16 PM
Dont know what PSI you have on the water there. But like for a well and other water lines you still put a hose clamp on it after its over the barb