Any plumbers in the house? Drain trap primer
#324396
February 17, 2010 03:53 am UTC
February 17, 2010 03:53 am UTC
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Joined: Sep 1998
Posts: 6,079 Mississauga, Ontario
Jeff Mitchell
OP
Senior Member, with Far TOO Much Time on Their Hands
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OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Sep 1998
Posts: 6,079
Mississauga, Ontario
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Hi All, I'm redoing my 2nd floor laundry room with a new sink and faucet. I started removing the old faucet and noticed it has a plastic line running from the bottom into the wall. I've learned this is probably a drain trap primer for the floor drain. (References: here and here). Of course the new faucet that I bought doesn't have a fitting to reconnect that line, so what should I do? Just cap it off and pour some water into the floor drain once in a while? Or is it possible to tap into tap into another location - like the outlet from the sink? Any advice appreciated!
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Re: Any plumbers in the house? Drain trap primer
[Re: Jeff Mitchell]
#324405
February 17, 2010 04:59 am UTC
February 17, 2010 04:59 am UTC
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Joined: May 2003
Posts: 7,263 Niagara Falls, Ontario
Ziggy Dietrich
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: May 2003
Posts: 7,263
Niagara Falls, Ontario
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From those links you posted, looks like you can have any source that occasionally sees water connect to that line, OR you can pour water down there occasionally as you suggested. The drain line on a sink is usually plastic and it should be pretty easy to put some kind of a "T" in there, and "cap" the tee...then you should be able to drill and tap into the cap for a line to connect to the existing line. I think that is what you were suggesting, and probably the way I would go... Just to clarify....I am NOT a plumber, but a homeowner
Last edited by Ziggy Dietrich, RTM Racing; February 17, 2010 05:07 am UTC. Reason: to add
"bluebird" worlds fastest scooter ridden by me "Whitebird" RIP
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Re: Any plumbers in the house? Drain trap primer
[Re: Tim Grechin]
#324438
February 17, 2010 06:38 pm UTC
February 17, 2010 06:38 pm UTC
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Joined: Sep 1998
Posts: 6,079 Mississauga, Ontario
Jeff Mitchell
OP
Senior Member, with Far TOO Much Time on Their Hands
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OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Sep 1998
Posts: 6,079
Mississauga, Ontario
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Thanks Tim. I can understand that perspective, but there don't seem to be many faucets that provide a provision for that primer line. The ones I could find weren't my taste and won't work with my sink (single hole).
...but maybe I can find a way to make this work by adding a tapped fitting to the end of the faucet's sprayer hose, I'll see if that's possible.
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Re: Any plumbers in the house? Drain trap primer
[Re: Tim Grechin]
#325289
March 02, 2010 03:23 pm UTC
March 02, 2010 03:23 pm UTC
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Joined: Sep 1998
Posts: 6,079 Mississauga, Ontario
Jeff Mitchell
OP
Senior Member, with Far TOO Much Time on Their Hands
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OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Sep 1998
Posts: 6,079
Mississauga, Ontario
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Hey guys, thanks for your continued interest. I could be wrong, but I don't think the basement drain has anything to do with it. This is the second floor laundry room, with a sink and a floor drain. I think that little plastic line is just priming the floor drain. I guess the idea is that the floor drain wouldn't normally see water (nothing drains into it) so it needs an occasional supply to keep it full. That little plastic line runs from the faucet, through the wall, under the floor, to the floor trap. Of course I don't know for sure because the line runs into the wall and then disappears. The faucet I'm using has a pull out handle with a hose. If I can find the right fitting I think I can "T" off of that hose and get this solved. ...but of course it uses some weird metric fitting that none of the big-box stores have a fitting for!
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Re: Any plumbers in the house? Drain trap primer
[Re: Jeff Mitchell]
#325290
March 02, 2010 03:34 pm UTC
March 02, 2010 03:34 pm UTC
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Joined: May 2003
Posts: 7,263 Niagara Falls, Ontario
Ziggy Dietrich
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: May 2003
Posts: 7,263
Niagara Falls, Ontario
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Ya, I guess it is same idea...just on the second floor...
I am still not convinced you need to feed that under pressure. I would think if you "T" off the BOTTOM of the waste pipe from the sink, you would see sufficient water to keep the floor drain from drying up. Also, it would not surprise me if when you see a large discharge all at once (like the washer emptying) if that didn't back up into the trap for the floor drain.
If it was me, I would try that first because it is cheap and easy, and then keep an eye and see if it ever dries up....
"bluebird" worlds fastest scooter ridden by me "Whitebird" RIP
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Re: Any plumbers in the house? Drain trap primer
[Re: Tim Grechin]
#325352
March 03, 2010 12:19 am UTC
March 03, 2010 12:19 am UTC
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Joined: May 2003
Posts: 7,263 Niagara Falls, Ontario
Ziggy Dietrich
Senior Member, with Far TOO Much Time on Their Hands
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Senior Member, with Far TOO Much Time on Their Hands
Joined: May 2003
Posts: 7,263
Niagara Falls, Ontario
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I wasn't talking about tapping off the bottom of the "P" trap, but the bottom of the straight (slightly sloped) run AFTER the "P" trap. That should see water only when waste water is flowing, and I would think gravity would feed enough water to the floor drain to keep it from drying up...
"bluebird" worlds fastest scooter ridden by me "Whitebird" RIP
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