How do I connect my washing machine to the waste pipe under the kitchen sink?
There is a hole at the side of the drain pipe, but at the moment it is blanked off. It looks as if this is where I connect to, but I don’t know what connection pipe to ask for, or how to fit it. I would be very grateful for any assistance.
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if its a new washing machine, your waste pipe will be included, if not you will need a washing machine waste trap connection, sold at bq etc
just put your refrigerator on an elevated area for the water to flow fast
Without seeing it or knowing the sizes it’s difficult to answer but look here and you should find what need
awashing machine ( clothes) needs a 2 drain line. a dish washer needs normally 1/2 . The hole in side of drain pipe is for dishwasher. The hose is supplied w/ dw, and can be cut to fit dw tee. If you are talking about a clotheswasher, bite the bullet and pay to have it done correctly. after all it will be there forever
Washing machines require a standpipe and drainline of 2 diameter. It also needs a trap. You cannot connect it to the sink drain.
If there is a hole in the side of your U bend under the sink this will be an ideal place to connect your outlet from the washing machine.
Ideally what you would do is take the flexible pipe out of the washing machine, run it up the wall then back down into waste pipe, thus making a type a U bend in the outlet pipe.
Assuming you’re talking about a clothes washing machine, trekkie706 and sensible_man are right. Washing machines require 2 pipe for drainage. Smaller, and you run the risk of water not flowing out fast enough. Also, if you put it into your drain pipe under the sink, imagine your sink filling up with suds from the washing machine. Another thing, it might not even be possible if the machine is level on the ground since most washing machines require the drain pipe to be put low near the ground, else water just won’t flow out and you’ll be stuck in the middle of a wash.
Sensible and others are correct. Though all your drainage eventually ends up in a larger (Main) perhaps 4 in. ID, the sink drain isn’t meant to accept clothes washer drainage effectively; Hence the differences in drains for both,,,IE:DOWN PIPE.
The volume of water being flushed from a clothes washer cycle, in your design, might fill your sink with dirty water and lint, before it struggles to evacuate from the house.
One solution that I offer with regard to a connection, though not at all advised, would be to cut below the PTrap and add an appropriate size Y connector. It pretty much looks like what a highway merge road looks like. Again… I wouldn’t do it, or take the job, but then I have no need to try it for myself.
Certainly even IF in the UK, I have to believe a decent plumber/plumbing supplier would also advise against this.
Steven Wolf
when you say it is blanked off i wonder how. it might screw off and then you can remove the plug that is used to blank it off with. then the outlet pipe from your machine will just fit into it. that is the normal situation.
You cut the end of the nozzle off and push the drain hose for the washing machine straight on to it. Job Done.
Sensible is correct. If you connect to the drain somehow under the sink, it will siphon out the water from your washing machine assuming you are talking about a clothes washer. The drain opening must be at the height specified in your washer’s instructions.
the blanked off end should just unscrew, remove the blank and push on the outlet hose from the back of the washer
go to diy shop buy a 2ins waste pipe kit to outside and insert hose from machine in top of pipe then you have proper job fixing to sink trap could be a problem with flowback ither way
if it`s plastic and sealed cut the end off and the one from your washing machine should be tappered so you push it in until tight hope this has helped?
check with your local B en Q I have a fitting under the kitchen sink that screws into the sink outlet and then screws into the trap there is an inlet on each side ,the dishwasher outlet pipe is screwed onto one side and the the clothes washing machine outlet is screwed onto the other side.
if you have just the one machine leave the screw cap on the one you don’t use.
mine has been coupled up for four years now and no problems with leaks or smells
SENSIBLE IS ABSOLUTELY CORRECT! STOP WHILE YOU ARE AHEAD. I CAN’T BELIEVE SOME OF THESE ANSWERS.