Leaking 2" PVC Sink Trap
#1
04-06-09, 07:07 AM
Leaking 2" PVC Sink Trap
Recently had new counters and an undermount double bowl sink installed which is deeper than the old sink necessitating replumbing the drain lines.
Everything went fine until the "water test" and I get this persistant leak on the 2" Nibco P trap at the threaded union. The leak ranges from a slight damp feeling if you just have the water drain for a few seconds to a steady drip if you are draining a full sink or just letting the water run continually.
I have tried teflon tape on the threads, hand tightening it as much as possible with no luck. The threads align just fine as they are not cross threaded and the locking ring side of the union runs the full distance of the fixed portion of the union when full tightened.
Any age old fixes? The P trap is brand new and the interior portions of the union that compress together when the union is tightened are smooth with no cracks or other defects which might cause a leak.
Finally, is it illegal to put in a fixed (glued together) trap under a kitchen sink? If I can't solve this leak, that will be my next move by pulling out this union style P trap and putting in a solid trap. Never had to snake out the previous drain at the sink in 25 years, so I'm not concerned about that aspect of a solid trap.
Everything went fine until the "water test" and I get this persistant leak on the 2" Nibco P trap at the threaded union. The leak ranges from a slight damp feeling if you just have the water drain for a few seconds to a steady drip if you are draining a full sink or just letting the water run continually.
I have tried teflon tape on the threads, hand tightening it as much as possible with no luck. The threads align just fine as they are not cross threaded and the locking ring side of the union runs the full distance of the fixed portion of the union when full tightened.
Any age old fixes? The P trap is brand new and the interior portions of the union that compress together when the union is tightened are smooth with no cracks or other defects which might cause a leak.
Finally, is it illegal to put in a fixed (glued together) trap under a kitchen sink? If I can't solve this leak, that will be my next move by pulling out this union style P trap and putting in a solid trap. Never had to snake out the previous drain at the sink in 25 years, so I'm not concerned about that aspect of a solid trap.
#2
04-06-09, 07:54 AM
If it was me I'd try a new exact duplicate of what you now have before switching to all glue.
Defects in plastic plumbing can sometimes be difficult if not impossible to see such as a slight warp or ripple etc even to the point of being microscopic.
I've seen a number of plastic items returned that wouldn't seal or fit properly that looked fine and when replaced the new one did the job.
Defects in plastic plumbing can sometimes be difficult if not impossible to see such as a slight warp or ripple etc even to the point of being microscopic.
I've seen a number of plastic items returned that wouldn't seal or fit properly that looked fine and when replaced the new one did the job.
#3
04-06-09, 10:06 AM
Off to Big Orange
I wonder if the Big Orange will take back 1/2 of the P trap because 1/2 of the union is glued to the drain pipe?
#4
04-06-09, 10:23 AM
Super Moderator
Just take it to returns or Cust service. Hopefully they'll let you swap the part you need and throw the other fitting in the RTV bin. Fingers crossed that half is there the problem is.
#5
04-06-09, 12:42 PM
If you have your receipt take what you have to customer service and if they push back make a fuss over the leaking of a brand new trap sold by them.Make sure you can be overheard but don't shout.
