Every so often my kitchen sink clogs up from fat / grease residue from frying
like. I clear it with boiling water but it is a pain when it happens.
What I want to do is route my dishwasher drain through my sink drains to get a
soapy water flush through every day.
MY sink P trap is at the right end of the double sink with the dish washer on the
left side. So I thought I could just Tee in on the left end in order to flush
Anyone see any problem with what I want to do??
No but I would recommend having a P-trap directly under each bowl.
This helps prevent buildup from occuring in the drain running from the
left to the right that is basically flat.
You don't need to put in a T, a special fitting is available that
mounts directly to the bottom of the sink that has the takeoff for the
I'm sure everyone reading this is screaming, "then don't pour the fat down
Even if the greese does not clog the drain in your house, it can and dous
cause backups in the municipal sewer system. Call city hall and they will
encourage you not to do it as well. I often see short articals in my city
newspaper explaining how greese dumping is bad for the city.
I don't fry much so the cup a month I dump is not a problem but it sounds
like your dumping a lot more than that. If you insist, you need to run the
hot water a lot longer than you would think to flush the greese all the way
to the street before it thickens or pools. Else it will accumulate on the
walls of your drain pipe requiring a snake to ultimately clear it. If you
have a cleanout near the kitchen sink on the outside of your house, you
should run a garden hose down it every so often to act like a snke to clear
WRT a dishwasher, It is the normal practice to connect the drain to either a
spot on the garbage disposer or to a sanitary tee before the P trap but you
also need an air gap before it, If the drain clogs, the dishwasher water
will flow out the air gap overflow into the sink basin instead of the
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.