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Bloodworth
Nicholls St. Fan
North Ga
Member since Oct 2007
3768 posts

Plumbing question about leaving drip

We did an addition to back of home and have washing machine line running to far end of addition. Will leaving drip in kitchen sink be safeguard against water line freezing to the washing machine? It doesn’t make sense to me but I’m getting differing opinions.


Chad504boy
4 posts
Member since Feb 2005
159990 posts

re: Plumbing question about leaving drip
No


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80
footswitch
Alabama Fan
New Market
Member since Apr 2015
3081 posts

re: Plumbing question about leaving drip
No it will not.


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40
DamnGood86
Texas A&M Fan
Member since Aug 2019
689 posts

re: Plumbing question about leaving drip
If the flow is not moving through the pipe, there is no protection. It's not complicated.


Bloodworth
Nicholls St. Fan
North Ga
Member since Oct 2007
3768 posts

re: Plumbing question about leaving drip
Thanks... that’s what I thought


Spankum
LSU Fan
Miss-sippi
Member since Jan 2007
54399 posts
 Online 

re: Plumbing question about leaving drip
Depends on the configuration of your plumbing. There will be certain spots in your plumbing that are prone to freezing…mainly pipes that are outside, in the attic or crawl space, or running in uninsulsted outside walls. You just need to keep a little water movement in those pipes that are freeze-prone.


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51
indytiger
LSU Fan
baton rouge/indy
Member since Oct 2004
9566 posts

re: Plumbing question about leaving drip
quote:

If the flow is not moving through the pipe, there is no protection. It's not complicated.



I see where the OP is coming from. Over the past week I have read so many opinions online, including some from several plumbers, and also some geniuses on TD, saying that a small drip on one faucet will protect the whole house. Makes zero sense.


Sabans straw hat
Alabama Fan
Member since May 2022
826 posts

re: Plumbing question about leaving drip
You gotta run hot on the furthest faucets


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115
Jim Rockford
LSU Fan
Member since May 2011
92839 posts
 Online 

re: Plumbing question about leaving drip
I had a toilet line freeze a few years ago, so now I drip everything except the washing machine, because there's no practical way to do it. For some reason, perhaps because it's next to the water heater, that line has never frozen anyway.


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10
DamnGood86
Texas A&M Fan
Member since Aug 2019
689 posts

re: Plumbing question about leaving drip
A local TV station said you just needed one fixture dripping. Every situation is different, there's not a one size fits all solution.

If you have plumbing on an exterior wall, I would have it dripping. If you have plumbing in the attic, you need to think about having flow going through it.

You just have to think about where the cold can get to your pipes and plan for that.


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DCtiger1
LSU Fan
Panama City Beach
Member since Jul 2009
7297 posts

re: Plumbing question about leaving drip
Turn off water, Unscrew from washer, put water line down drain and let it drip


Jim Rockford
LSU Fan
Member since May 2011
92839 posts
 Online 

re: Plumbing question about leaving drip
quote:

Turn off water, Unscrew from washer, put water line down drain and let it drip


If the drain freezes you'll have water all over your utility room.


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armsdealer
New Orleans Pelicans Fan
Member since Feb 2016
10461 posts

re: Plumbing question about leaving drip
Why not just set the washer to run in the middle of the night on the longest wash setting?


bikerack
Houston Astros Fan
NH
Member since Sep 2011
1687 posts
 Online 

re: Plumbing question about leaving drip
This past week I just got up in the middle of the night and ran a load of towels on hot as well as flushed the toilets (had to pee anyway) and started the dishwasher.

But in the past I just disconnected the hoses and let them drip into the tub all night. Then in the morning I rain the drain/spin cycle.


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30
SlickRick55
Member since May 2016
1510 posts

re: Plumbing question about leaving drip
quote:

If you have plumbing on an exterior wall, I would have it dripping. If you have plumbing in the attic, you need to think about having flow going through it. You just have to think about where the cold can get to your pipes and plan for that.


Exactly right. There is no “one answer fits all” solution that you will find here, or anywhere on an internet search. Every house is different in many ways, or even just a few. You have to think about where the plumbing is and protect the vulnerable spots, like mentioned above.


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Flashback
LSU Fan
reading the chicken bones
Member since Apr 2008
7647 posts
 Online 

re: Plumbing question about leaving drip
If the room is heated and the walls are insulated, there should be no problem. The only things I see freeze are hose bibs, outside pipes, and those new instant hot water heaters that sit halfway outside. Attic pipes can freeze but is rare if the house has good insulation.


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idlewatcher
Houston Astros Fan
County Jail
Member since Jan 2012
70108 posts
 Online 

re: Plumbing question about leaving drip
I cycled my toilet and set my dishwasher to run at 3am. No issues.

Dripping is just a safeguard against potential freezing. But if it’s not a steady drip, it will freeze. Sucks bc it’s a waste of water but alas here we are.


ellesssuuu
Baton Rouge
Member since Mar 2016
2428 posts

re: Plumbing question about leaving drip
Did the same thing Thursday night till last night in BR. Pier and beam house. No issues. Better having a little higher water bill then expensive plumbing bill


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davyjones
LSU Fan
NELA
Member since Feb 2019
24272 posts
 Online 

re: Plumbing question about leaving drip
I usually just go on a 5 day bender then go back to it and see what we got then. If you’re flooded, go back to drinking. Stay with that routine and eventually it’ll dry up.
This post was edited on 12/27 at 12:17 am


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75503Tiger
LSU Fan
Member since Sep 2015
3566 posts

re: Plumbing question about leaving drip
Well, if your plumbing all enters on one line and the enemy is expansion of the water when it freezes then if you can allow for a relief, in theory, one faucet does the trick. However, in some configurations the ice can create a plug which will prevent a pipe from relieving and then you may have a problem. In other words, who the hell can say for sure because every house is different
This post was edited on 12/27 at 12:57 am


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