Rough-In Dimension Terminology
| Toilet | Sink | Shower/Tub | |
| Supply Line (Vertical) | 8 1/4" | 2" to 3" higher than drain pipe | 80" shower; 20 to 22" tub; spout 4" abov ... |
| Supply Line (Horizontal) | 6" max from center | 4" to left and right of center | 8" apart |
| Discharge/Drain Hole from Back Wall | 12 1/2" | N/A | 14" |
| Discharge/Drain Hole (Vertical) | 0" | 16" to 20" | 0" |
What is the best water supply line for a toilet?
Mar 20, 2020 · How high should a toilet supply line be? Supply Line – One hole positioned between 5 and 10 inches above the finished floor. The supply line should be off-set from the centerline by 5 inches.
What lengths do toilet supply lines come in?
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What size supply line is needed for a bath faucet?
Dec 01, 2010 · With the common toilets being about 15" to the bottom of the tank, a water supply at 10" above the floor could create an interesting situation to make a connection. I always install them about 6-8 inches up. The supply line will ALWAYS be visible, regardless of where the valve is located. You must log in or register to reply here.
How to install a toilet supply line?
Jan 15, 2020 · One of the biggest problems when swapping out water supply lines is knowing how tight the connections should be. Obviously this is important to prevent water leaks. Most directions say to hand tighten then use a wrench for the last 1/4 to 1/2 turn.
Where should toilet supply line be placed?
Insert the line through the bottom plate on the wall, approximately 8 inches to the left of the toilet's center line. Connect this supply line at the water line attached to the sink. Use a 90-degree elbow or stub-out fitting to insert the water line into the surface plane of the wall.Jun 11, 2014
How do you rough in a toilet supply line?
1:112:48How To Rough-In a Toilet (with Dimensions) - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou'll need at least 21 inches of clearance from the front of the bowl to any obstruction. If yourMoreYou'll need at least 21 inches of clearance from the front of the bowl to any obstruction. If your plumbing code is under the UPC. You'll need 24 inches of clearance.
How far should a toilet be from the supply line?
For the horizontal supply line, it should be measured from the centerline running vertically through the center of the toilet; the supply line hole should be six inches to the side of the centerline; check the toilet to confirm location water supply connection.Aug 20, 2021
How far should a toilet be from the back wall?
12 inchesThe Distance To Set The Toilet Flange From The Back Wall. You'll want to set the center of the water closet flange 12 inches from the finished back wall. Don't measure from the base molding!
Can you replace a 10 inch rough-in toilet with a 12-inch rough-in toilet?
The rough-in for your bathroom plumbing should match the rough-in for the toilet. Even if a toilet is designed for a 10-inch rough-in, you can still install it in a space with a 12-inch rough-in.
How do I know if my toilet is a 10 or 12 rough?
If the old toilet is still there, measure from the center of the capped bolts (on the bottom) to the wall (not the baseboard). There should be 24 inches of clearance from the wall facing the bowl and 15 inches on each side as a guideline. If your measurements are between 11.5 and 12.5 inches, it is a 12-inch rough-in.
How much space does a toilet need?
Most codes require at least 15 inches (measured from the center of the toilet) from any side wall or obstruction and not closer than 30 inches center to center to any other sanitary fixture. (The NKBA actually recommends 32 inches.) There should be at least 24 inches of clear space in front of a toilet or bidet.
Should a toilet tank touch the wall?
There is no hard-fast rule about whether a toilet should touch the wall, as it is a matter of personal preference. Some people are okay with a toilet tank's top touching the back wall, while others desire a minimum of one inch of space between the commode and the back wall.May 6, 2021
How high should a bathroom sink be?
The water supply line runs out of the wall into a hole in the back of the vanity, typically placed at a height of 22 to 24 inches from the finish floor. The sink drain is then situated just 4 inches inward from ...
Where is the drain line for a vanity?
The drain line for the sink is centered inside the vanity cabinet about 3 to 4 inches inches below the water supply line. The variation in inches for all drains and lines is based on the vanity itself, with taller vanities requiring higher lines.
What is the purpose of drain and water supply lines in a bathroom?
The proper placement of drain and water supply lines in a bathroom ensure proper functioning of the sink in your bathroom vanity, and place you in compliance with local residential building codes. When installed at the correct height, these lines allow you to easily hook up basins, toilets and any other fixtures needing a supply of water.
How much clearance do you need for a toilet?
So looking at the toilet, make sure there are at least 15 inches of clearance from the center of the toilet to any adjacent fixture (or wall). To the left…. And the right…. For example: If a bath vanity is next to your toilet, you’ll need 15″ of clearance. If a tub is next to your toilet, you’ll need 15″ of clearance.
How far from the wall should a toilet flange be?
If you’re simply replacing your toilet, and notice the center of your flange is only 10 inches from the wall, there’s no need to go through the hassle of moving the flange. Just get a water closet with a 10″ rough-in. Or suppose you’re roughing in a toilet and there’s a floor joist in your way.
What is the rough in size of a toilet?
This information can be found on the toilet’s specification sheet. 12 inches is the most common toilet rough-in size. However, it’s useful to know that toilet’s also come in: 10-inch rough-in. 14-inch rough-in.
How high above the floor for escutcheon?
A lot of times the water line comes in too low and requires notching the trim. Needless to say, this usually turns out UGLY. 7 inches above the finished floor allows enough clearance for an escutcheon, and base trim all the way up to 5.25″.
What are the sizes of toilets?
However, it’s useful to know that toilet’s also come in: 1 10-inch rough-in. 2 14-inch rough-in.
Can you shut the door when using a toilet?
The answer is no. The purpose of this clearance is to allow enough space for a person to use the toilet comfortably. Luckily, people shut the door when using a toilet. And as long as you have 21″ (or 24″) of clearance when the door is shut you’re good to go (literally). The final measurement is….
How high should I put a water supply in a toilet tank?
I always install them about 6-8 inches up. The supply line will ALWAYS be visible, regardless of where the valve is located.
Is a 12" toilet too short?
Otherwise, it is somewhat a matter of convenience. For example, if you put it too low and use a tall toilet, then 'regular' 12" lines might be too short, and if you put it too high, you night need some awkward twists to line up the flex,
What size fitting is needed for a toilet water supply line?
Toilet water supply line come in three styles. Most of the time, you have a 3/8" fitting at the shut off valve and a 7/8" fitting at the toilet tank.
How to make sure the supply line is for a toilet and not a sink?
Make sure the supply line you buy is for a toilet and not a sink, they are different. Put the nut, then the ferrule on the line and start the tubing into the valve. Turn the nut finger tight. Put the nut on the toilet and tighten finger tight. Tighten them down if you are sure they fit.
What is the difference between plastic and stainless steel toilet lines?
Plastic lines are less expensive and are usually white. Stainless steel lines cost a little more. The steel lines are still flexible and are a little tougher. Flexible toilet supply lines have factory installed ends on them. These ends have integral washers built into them, so they are ready to go.
Is brass inside a supply line?
A point of reference is that even if your supply line is silver, it is still brass inside. When the brass fittings and pipe corrode, the brass gets delicate. The result is that when you tighten the fittings you may do more harm than good. Sometimes the leak gets worse.
Can you kink a toilet water line?
Kinking the tubing is a very real possibility. A kinked line should be thrown away and another supply line obtained. The other issue is cutting it to length. Obviously, cutting it too short renders it unusable. A brass toilet water supply line is a bit more difficult to deal with than a flexible one.
