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Plumbing question about leaving drip
Posted by Bloodworth on 12/26/22 at 9:52 pm

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.
re: Plumbing question about leaving dripPosted by footswitch
on 12/26/22 at 9:54 pm to Bloodworth

No it will not.
re: Plumbing question about leaving dripPosted by DamnGood86
on 12/26/22 at 9:57 pm to Bloodworth

If the flow is not moving through the pipe, there is no protection. It's not complicated.
re: Plumbing question about leaving dripPosted by Bloodworth on 12/26/22 at 9:58 pm to DamnGood86
Thanks... that’s what I thought
re: Plumbing question about leaving dripPosted by Spankum
on 12/26/22 at 9:59 pm to Bloodworth


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.
re: Plumbing question about leaving dripPosted by indytiger
on 12/26/22 at 10:01 pm to DamnGood86

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.
re: Plumbing question about leaving dripPosted by Sabans straw hat
on 12/26/22 at 10:02 pm to Bloodworth

You gotta run hot on the furthest faucets
re: Plumbing question about leaving dripPosted by Jim Rockford
on 12/26/22 at 10:06 pm to indytiger


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.
re: Plumbing question about leaving dripPosted by DamnGood86
on 12/26/22 at 10:22 pm to indytiger

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.
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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re: Plumbing question about leaving dripPosted by DCtiger1
on 12/26/22 at 10:27 pm to Bloodworth

Turn off water, Unscrew from washer, put water line down drain and let it drip
re: Plumbing question about leaving dripPosted by Jim Rockford
on 12/26/22 at 10:37 pm to DCtiger1


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.
re: Plumbing question about leaving dripPosted by armsdealer
on 12/26/22 at 10:40 pm to Bloodworth

Why not just set the washer to run in the middle of the night on the longest wash setting?
re: Plumbing question about leaving dripPosted by bikerack
on 12/26/22 at 10:55 pm to armsdealer


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.
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.
re: Plumbing question about leaving dripPosted by SlickRick55 on 12/26/22 at 11:19 pm to DamnGood86
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.
re: Plumbing question about leaving dripPosted by Flashback
on 12/26/22 at 11:20 pm to Bloodworth


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.
re: Plumbing question about leaving dripPosted by idlewatcher
on 12/26/22 at 11:49 pm to Bloodworth


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.
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.
re: Plumbing question about leaving dripPosted by ellesssuuu on 12/27/22 at 12:11 am to idlewatcher
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
re: Plumbing question about leaving dripPosted by davyjones
on 12/27/22 at 12:15 am to Bloodworth


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
re: Plumbing question about leaving dripPosted by 75503Tiger
on 12/27/22 at 12:35 am to Bloodworth

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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