In reality you’ll have to use available fittings, so the minimum height would be based on what the fittings physically take up. Bare minimum, you’d exit the disposal with a 90° elbow, and connect directly to the top of the P-trap. So whatever height is taken up by the elbow and P-trap, would be the minimum.
How much higher does garbage disposal drain need to be?
This depth should be between 2 – 4″ (according to plumbing codes), to maintain a proper trap. You’ll notice that your trap depth is much more than that, and includes your garbage disposal. The “proper” way to correct the problem in your situation, is to lower the drain pipe or get rid of the disposal.
What is the height of a garbage disposal outlet?
Most garbage disposals have the outlet and downward facing waste pipe at about 10″ from the top of the disposal which sits at the bottom of the sink – and then there is a “U or P-trap” that attaches from the outlet to the waste drain.
How high should kitchen sink drain be from floor?
The standard height of a kitchen sink drain from the floor is between 20 and 24 inches. This varies based on the vanity, sink, and trap.
Can P-trap be lower than drain pipe?
You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. They both work and have seen it many times.
Can you use flex pipe for garbage disposal?
The InSinkErator Flexible Discharge Tube Kit is used for discharge outlet of standard InSinkErator disposers. This accessory provides a quick way of connecting the disposer discharge to the drain line.
Should garbage disposal have its own P-trap?
The plumbing code has a lot of regulations, but none is as important as this one: Every drain must have a P-trap. Shower and tub drains have to have them, toilets have built-in traps and sink drains must have them, even those with garbage disposals.
Where should a garbage disposal outlet be placed?
With the plug-in configuration, the disposal cord plugs into an outlet (receptacle) located inside the sink cabinet. The outlet is controlled by a wall switch, which is usually located on the wall near the sink.
Does a garbage disposal have to be GFCI protected?
The National Electrical Code (NEC) does not require a garbage disposal to have GFCI protection. GFCI protection for this appliance is optional. The vibration caused by the operation of a garbage disposal can cause electrical connections to separate.
Should outlets under sink be GFCI?
210.8(A) requires receptacles serving the kitchen countertop to be GFCI protected. It also requires GFCI protection for receptacles within 6′ of a sink, but only sinks not in a kitchen.
How close to the drain does the P-trap need to be?
Maximum Distance
However, the Universal Plumbing Code stipulates that the total developed length of all tailpieces, arms and fittings connecting the drain to the p-trap must be 24 inches or less.
Does it matter which way the P-trap goes?
In a Shower P-Trap, Can the Lower Curvature Be Backward? When you cement it together, the straighter side of the trap- which is not as curved- should be what the 90 degree piece is glued onto. Then the curved end should be connected to the shower drain. However, gluing the P-trap shouldn’t affect the drainage.
Can a drain go upwards?
No, you should not do that. As mentioned in a comment, the drain is going to fill up with gunk and clog. Depending on use, you’ll find that you have to snake this line quite often.
Are rubber P traps code?
When you use a flexible p trap, you’re more likely to get the shape wrong, and you’re more likely to accidentally misshape it when you bump the pipe. Or when you bump it, the force might cause it to spring a leak. When you go to sell the house, the building inspector will take a dim view of these. They’re against code.
Are flexible drain pipes good?
Problems with flexible drain pipe
The major problem with them is that they collect the dirt and grime that’s supposed to flow down the drain. The zigzag sides are great for slowing down the flow of water and letting the gunk sit and collect.
How do I extend my garbage disposal drain?
Quote from the video:
Quote from Youtube video: So you need the proper washer insert the retention nut. And the nylon washer. And loosen up there p-trap. And install the extension tail piece. And stole another retention nut.
What if new sink drain doesn’t line up with existing pipes?
In general, if the P-trap doesn’t line up with the drain, you can adjust the length and height of your drainpipes by cutting them or simply slipping them in and out of their fittings.
How do you install a garbage disposal drain pipe?
Quote from the video:
Quote from Youtube video: If you're installing a disposer that's larger than the old one you may have to cut the drain pipe to fit with a hacksaw. Clean any excess putty from the sink flange.
How do you plumb a garbage disposal?
If you have a double sink, the best way to plumb a disposal is to run its discharge tube directly to a tee below the opposite sink. The tube must drop about 1/4 in. in order to drain properly.
How much does Home Depot charge to install a garbage disposal?
Home Depot – The garbage disposal installation cost from Home Depot is approximately $119. However, this does not include the added cost of a garbage disposal unit, which costs an average of $161, bringing it to a total cost of $280.
What is a garbage disposal flange?
If you’re putting in a garbage disposal, you’ll need a disposal flange. The flange is a ring that connects the disposal to the sink and is slightly sloped to allow water to run unimpeded into the drain; it’s like a mounting bracket for the disposal.
