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Smell from under sink / back of dishwasher

2

Comments

  • #32
    Creamy Goodness
    Registered Users, Registered Users 2 Posts: 26,445 ✭✭✭✭Creamy Goodness


    awec wrote: »
    So if I picked up a bottle of something like this:

    https://www.woodies.ie/jeyes-drain-unblocker-1-lt-326552

    And put it down the manhole outside (or should it go down the sink), then left it for a few hours, then came and went at it with the hose, is that going to clear it you think? Should I be scooping some of that crap out first?


    Yeah I'd definitely go down that route of trying to soften it up and then blasting it with a hose. Scooping that **** up (no pun intended) is going to be super nasty.

    From your previous troubleshooting it sounds like there's no issue with the internal pipes with regards to water flow (sink clearing fast etc.) and getting gunk to the outside it's just that it collects outside. I'd lash the jeyes down the drain

    Must caveat, I'm be no means a plumber (bash keyboards all day) so if someone else comes along and tells me I'm a mad man please take their advice :pac:


  • #33
    greasepalm
    Registered Users, Registered Users 2 Posts: 6,084 ✭✭✭greasepalm


    My thoughts are from kitchen waste so in sink.

    Under manhole before use try poking it to break it up and flush with hose and water.

    How quick if running hot water is it gushing out into manhole.

    So dishwasher is smelling nice now and might if needed jeyes .

    you have stuck it the manhole i see poke to break it up and then flush with hot water from tap.

    Having a few buckets of water to dump in gives more weight to shift it further along.


    Having done that i might do a run through with dishwaher cleaner Finish also.


  • #34
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    greasepalm wrote: »
    My thoughts are from kitchen waste so in sink.

    Under manhole before use try poking it to break it up and flush with hose and water.

    How quick if running hot water is it gushing out into manhole.

    So dishwasher is smelling nice now and might if needed jeyes .

    you have stuck it the manhole i see poke to break it up and then flush with hot water from tap.

    Having a few buckets of water to dump in gives more weight to shift it further along.

    Should I dump the buckets of water directly into the manhole? That won't cause any unintended backflow, right?


  • #35
    greasepalm
    Registered Users, Registered Users 2 Posts: 6,084 ✭✭✭greasepalm


    No as the hot water is running and is draining your just adding more volumn to push it out to clear as what i did a few years ago when i had a smell.
    When cleans all points of flow show good flow from outside drains and sink.

    Sorry yes buckets of water into manhole.


  • #36
    punisher5112
    Registered Users, Registered Users 2 Posts: 24,519 ✭✭✭✭punisher5112


    Lots and lots of hot water, break it up, if there is gunk you can remove by hand do so as it will only go further down and eventually build up and block, worst case.....

    De greaser, fairy washing up liquid, Jeeves etc etc...


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  • #37
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    The water flow seems to be in the opposite direction to what I thought, the yellow line is what I think the flow is.

    Poking a bit cleared a lot!

    attachment.php?attachmentid=554063&d=1621954428


  • #38
    The Mulk
    Registered Users, Registered Users 2 Posts: 1,357 ✭✭✭The Mulk


    awec wrote: »
    The water flow seems to be in the opposite direction to what I thought, the yellow line is what I think the flow is.

    Poking a bit cleared a lot!

    [img][/img]https://www.boards.ie/vbulletin/attachment.php?attachmentid=554063&d=1621954428

    Are you mid-terrace?
    if so it could flow under your house out to the street.
    I 've invested in drain rods and have used the pressure washer too. Have had no issued since, mine was a lot of sand from when i put down a patio and grease/food waste etc


  • #39
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    The Mulk wrote: »
    Are you mid-terrace?
    if so it could flow under your house out to the street.
    I 've invested in drain rods and have used the pressure washer too. Have had no issued since, mine was a lot of sand from when i put down a patio and grease/food waste etc

    End terrace.


  • #40
    The Mulk
    Registered Users, Registered Users 2 Posts: 1,357 ✭✭✭The Mulk


    awec wrote: »
    End terrace.

    There should be another AJ (manhole) that you can inspect, either at the side of the house or the front. See what they are like. There were two in my back garden. I cleaned mine from the one closest to the house until the next one. Once it was clean on my property i got on to Irish Water and told them the public drains needed to be jetted, they were out the next day


  • #41
    con747
    Registered Users, Registered Users 2, Paid Member Posts: 10,037 ✭✭✭✭con747


    I use one of these https://www.lenehans.ie/condor-flexible-wire-drain-cleaning-tool-5m.html to loosen any build up back into the house then fill all sinks with hot water and drain them at the same time so there's a good flow to shift anything in the pipes.

    Don't expect anything from life, just be grateful to be alive.

    Help Keep Boards.ie Alive sign up here

    https://subscriptions.boards.ie/ https://keepboardsalive.com/



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  • #42
    chooseusername
    Registered Users, Registered Users 2, Paid Member Posts: 4,549 ✭✭✭chooseusername


    Lift the waste pipe off the floor and clip it to the underside of the worktop.


  • #43
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    The dishwasher pipe should definitely be looped up high and down. They’re really designed to be used to with a stand pipe as the default option.

    Get wide pipe pipe support clip and lay the dishwasher drain tube so that it goes up to almost the top of the cabinet and then back down again into the drain connection. It should be nice and loose, just supporting the hose.


    This should prevent any dirty water running back into the machine from the plumbing.

    Bear in mind that most dishwasher don’t have a non return valve. The drain pipe is just connected straight to the drain pump. So it’s not gas tight. They rely on water in the sump / drain pipe itself to maintain a trap.

    Your dishwasher might have come with a U shaped plastic device to make it hook into a standpipe. You can usually fit these further back along the pipe and often they’ll have a little hole for fixing them to a hook.


  • #44
    punisher5112
    Registered Users, Registered Users 2 Posts: 24,519 ✭✭✭✭punisher5112


    Oh I totally forgot the smell would be coming through the waste pipe where dishwasher waste goes in... If you could put some silicone around it just around the top, that might help.


  • #45
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    The dishwasher pipe should definitely be looped up high and down. They’re really designed to be used to with a stand pipe as the default option.

    Get wide pipe pipe support clip and lay the dishwasher drain tube so that it goes up to almost the top of the cabinet and then back down again into the drain connection. It should be nice and loose, just supporting the hose.


    This should prevent any dirty water running back into the machine from the plumbing.

    Bear in mind that most dishwasher don’t have a non return valve. The drain pipe is just connected straight to the drain pump. So it’s not gas tight. They rely on water in the sump / drain pipe itself to maintain a trap.

    I was thinking that. So the dishwasher waste pipe comes out the bottom of the dishwasher, it should go almost vertical up to the underside of the countertop, across and then down into the drain?


  • #46
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    awec wrote: »
    I was thinking that. So the dishwasher waste pipe comes out the bottom of the dishwasher, it should go almost vertical up to the underside of the countertop, across and then down into the drain?

    It should be going up, to almost the height of the dishwasher itself, at some point before it goes into the drain.

    It doesn’t matter where it goes up, just as long as the pipe isn’t going horizontally into the drain.

    Often they cut a hole high in the adjoining cabinet, and the hose runs up over that.

    That will ensure that there’s volume of water in the dishwasher sump and also prevent any water from the sink trap back flowing into the machine.

    They shouldn’t really run in at gradual slopes or horizontally.

    Ideally, they’re connected to a standpipe and their own trap. The same is preferable for a washing machine. It just keeps things simple!


  • #47
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    It should be going up, to almost the height of the dishwasher itself, at some point before it goes into the drain.

    It doesn’t matter where it goes up, just as long as the pipe isn’t going horizontally into the drain. That will ensure that there’s volume of water in the dishwasher sump and also prevent any water from the sink trap back flowing into the machine.

    They shouldn’t really run in at gradual slopes or horizontally.

    Would the dishwasher waste pump have enough welly to pump the water up at a steep angle?

    I'd be surprised if water is flowing back from the sink given the way it's connected.


  • #48
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    Yeah it’s got plenty of power. You can hook a dishwasher or washing machine drain over the side of a sink without any issue. They usually have enough head to pump water out at a height maybe up to 30cm above the machine itself.

    If you’ve any restrictions in flow of the trap and a large volume of water drains from the sink, you’d be surprised that can flow. It can also force gasses back into the dishwasher.


  • #49
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    Yeah it’s got plenty of power. You can hook a dishwasher or washing machine drain over the side of a sink without any issue. They usually have enough head to water out at a height maybe up to 30cm above the machine itself.

    When I googled I saw this being suggested a lot but it was all on american sites and I wasn't sure if the same rules applied here.


  • #50
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,562 Mod ✭✭✭✭Wearb


    awec wrote: »
    Just cleaned the trap. It was spotless clean. Don’t think that was the issue. :(
    Was the trap half full of water. If working correctly, it should stop smells getting back into the house. Good idea to get a bit of height on that pipe from the dishwasher to prevent any sink waste getting into it.


  • #51
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    awec wrote: »
    When I googled I saw this being suggested a lot but it was all on american sites and I wasn't sure if the same rules applied here.

    Some machines (mostly the likes of Miele) have sophisticated non return valves. Miele literally has a large, metal ball valve, accessible in the sump, that prevents back flow into the pump and anti siphoning vents etc.

    A lot of machines however, just rely on the loop of hose being at a sufficiently steep angle.

    It’s generally advised to take a precautionary approach and just a avoid any backflow with an loop upwards.

    Dishwashers usually provide a fairly decent length of drain hose too.


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  • #52
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    I’m gonna screw a hook into the underside of the cabinet and tie the hose up with some string at a point.

    So it’ll be kind of a S shape if you look at it sideways.


  • #53
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    That should do the job


  • #54
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    That should do the job

    What’s the verdict?

    attachment.php?attachmentid=554081&d=1621962823


  • #55
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    That’s about as much as you can do.

    I would put a proper jubilee clip on the hose though.


  • #56
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    That’s about as much as you can do.

    Actually just found one of these in the shed, going to attach it where the string is!

    attachment.php?attachmentid=554082&d=1621963281

    This is probably the one the kitchen installers never used at the time!


  • #57
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    Yeah that’s the correct support you can just fit that at the point you want the bend


  • #58
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    FuzzyThinking wrote: »
    Yeah that’s the correct support you can just fit that at the point you want the bend

    Jobs a good un I think.

    attachment.php?attachmentid=554083&d=1621963840

    Have drain cleaner down the outside drains, bought drain rods and shoved them down too. Hopefully issue sorted!


  • #59
    ClosedAccountFuzzy
    Registered Users, Registered Users 2 Posts: 745 ✭✭✭ClosedAccountFuzzy


    Hopefully solved!


  • #60
    greasepalm
    Registered Users, Registered Users 2 Posts: 6,084 ✭✭✭greasepalm


    Was there any smell in kitchen this morning?


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  • #61
    awec
    Administrators Posts: 55,269 Admin ✭✭✭✭✭awec


    greasepalm wrote: »
    Was there any smell in kitchen this morning?

    I actually don’t think so.

    We’ll know tomorrow morning for sure!


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