Over 698,000 strictly plumbing related posts
Plumbing education, information, advice, help and suggestions are provided by some of the most experienced plumbers who wish to "give back" to society. Since 1996 we have been the best online (strictly) PLUMBING advice site. If you have questions about plumbing, toilets, sinks, faucets, drains, sewers, water filters, venting, water heating, showers, pumps, and other strictly PLUMBING related issues then you've come to the right place. Please refrain from asking or discussing legal questions, or pricing, or where to purchase products, or any business issues, or for contractor referrals, or any other questions or issues not specifically related to plumbing. Keep all posts positive and absolutely no advertising. Our site is completely free, without ads or pop-ups and we don't tract you. We absolutely do not sell your personal information. We are made possible by:
Author:
denver (NY)
Hi everyone: When my sump pump kicks on it causes a gurgling at my utility sink? a little water bubbles up the sink drain but thats its. I assume when the sump pump comes on its forcing air into the utility sink drain. i think i am venting incorrectly. (the vertical drain is coming from the first floor kitchen sink. to the left is the utility sink with drain and ptrap)
any thoughts
thank you in advance - denver
Edited 2 times.
|
Post Reply
|
Author:
exapprentice30 (MA)
You a have a AAV on the utility sink to prevent the sink trap from sucking water out of the utility sink s trap but it won t let the air escape. Is the k sink vented properly? You have a under sized drain pipe that all 3 connect to and the drain may be partially clogged. Why are you dumping sump pump water in to the sewer system and not to day light or to a dry well etc. Your sanitary tee s should be wye and 45 s or combo s and your 90s on the k sink and utility sink should be long sweeps too. You can unscrew the AAV while the sump pump is running to see if it venting problem.
Edited 1 times.
|
Post Reply
|
Author:
denver (NY)
to answer the majority of questions...the answer is simple..i have no idea what i am doing. i asked advice and obviously ...i followed bad advice or misunderstood.
replaced what was there. the original project was to replace a leaking double tub concrete utility sink. which often suffered from back ups due to old clogged drains...or so i thought
replaced the with a new utility sink and replaced the old plumbing..following the configuration and sizes of the original. (including sump dumping into main sewer)
i had an alternate plan of removing the cap from the main sewer pipe and then doing 3" dia. off that ..with 2" pipes and connections.
couldn't budge the main sewer pipe cover ..i didn't want to create a bigger problem by breaking the lead or the cast iron pipe...i wimped out...so..i followed the original configuration more or less.
is there anything i can do to the system to make it better without tearing apart the whole thing??
i have no excuse other than my wife is cheap...
Edited 2 times.
|
Post Reply
|
Author:
denver (NY)
if i remove the aav. everything backs up into the utility sink. with it connected i get the initial gurgle then nothing.
Edited 1 times.
|
Post Reply
|
Author:
exapprentice30 (MA)
You could try snaking the drain through the AAV and running water in the utility sink while running the snake. Can you run the sump pump drain line to the outside?
|
Post Reply
|
Author:
denver (NY)
ok i will try snaking.
i know discharging the sump water to the outside would be code correct (ny). again i went with the original configuration which was discharging into the main sewer (most of the older homes in the area are setup the same. obviously codes have change since then..probably for good reason. obviously the former home owner or whomever installed the pump didn't know or care)
i wish there was away to do it correctly without cutting thru the foundation.
i am not sure there is even a check valve in the sump setup? it will back wash into the pit if it doesn't draw enough water...does that make sense? the sump pit doesn't have enough water to trigger the float. if i operate it manually (lift up on the float) it will draw what little water there is but as soon as i release the float the water rushes back in...
thank you very much for the advice
Edited 1 times.
|
Post Reply
|
Author:
denver (NY)
beyond snaking is there anything else i should do?? (besides start from scratch)
redo the sump piping i.e. replace the 90's with swipes? possibly lower the height of the sump discharge pipe?? (obviously the best solution would be to pump it outside and i trying to come up with a solution ..but it will take time)
same with the vertical drain i.e. replace the 90 with a sweep?
add another vent to system anywhere??
thank you again. denver
Edited 2 times.
|
Post Reply
|
Author:
packy (MA)
you might be able to unscrew your main cleanout plug (base of stack), slip a no hub clamp onto cleanout adapter and install a 4 x 4 x 2 "Y" with a full size cleanout in the end and discharge the pump into the 2 inch .
|
Post Reply
|
Author:
denver (NY)
i wimped out trying to unscrew the main cleanout plug. i was afraid that if i broke something i would be dealing with an expensive issue...but i do understand what you are saying.
my original plan was to leave the sump on the 2" and put a cleanup on the end.
then remove the main cleanup plug and run 3" off that...making a connection for the kitchen sink drain and the utility sink drain.
but that idea died when i could budge the main clean out plug...i could have forced it but not knowing what i was doing i erred on the side of caution.
Edited 1 times.
|
Post Reply
|
Author:
packy (MA)
be brave... take a sawzall to the plug. i usually bash the hex nut in the center with a hammer. it is thin brass and will colapse and split leaving a hole for inserting a sawzall blade. then make some cuts from the center to the outside. hammer and chisel will take out the cut pieces.
|
Post Reply
|
Author:
denver (NY)
yes. the next upgrade i will definitely tear into that cover.
as it is right now...i am still trying figure out where and how i will discharge the sump (outside). the most convenient place would dump it at the main side door so i will have to do some planning...and cutting.
what i would like to know is why there is so much back up into the utility sink every time the sump kicks on?? and how do i fix it??
i know my set up is not up to code...i made mistakes and i will redo it correctly but in the short term...if snaking doesn't work...what else can i fix?? add another vent somewhere along the line??
thank you in advance D
|
Post Reply
|
Please note:
- Inappropriate messages or blatant advertising will be deleted. We cannot be held responsible for bad or inadequate advice.
- Plbg.com has no control over external content that may be linked to from messages posted here. Please follow external links with caution.
- Plbg.com is strictly for the exchange of plumbing related advice and NOT to ask about pricing/costs, nor where to find a product (try Google), nor how to operate or promote a business, nor for ethics (law) and the like questions.
- Plbg.com is also not a place to ask radiant heating (try HeatingHelp.com), electrical or even general construction type questions. We are exclusively for plumbing questions.
Search for plumbing parts on our sponsor's site:
Special thanks to our sponsor: