Casual Lavatory Drain Pipe Size

Bathroom Sink Drain Sizes.

Lavatory drain pipe size. It is 3 inch pipe all the way to the foundation wall. Ideally 8 14 inches above the floor. The drain pipe connects to the flange which mounts the toilet itself and this flange is usually built to connect to 3-inch schedule 40 toilet drain pipe.

Check toilet to confirm location water supply connection. When combined with a laundry tub the drain pipe must be a minimum of 2 inches in diameter. From there it changes to a 4 inch pipe and goes to the.

10 coupon applied at checkout. Regardless of your plumbing code the minimum drain size for a toilet is 3 inches. The drain pipe in your toilet carries waste away into the homes main drain line.

Nowadays sink drain pipes of all sizes are available. But as far as the pipe or standard size PVC for sink drain is concerned its 2 or 3 ½ inches in diameter. One end in most cases the inlet is 4 inches wide this mounts to the toilet and the outlet end is 3 inches in diameter.

These two sizes are the most common explains Bathroom Vessel Sinks although you may also see sinks with a 1 58-inch drain hole. Some older model toilets flushing over 16 gallons per flush are rated at 4 DFUs. If the size of the outlet is 15-inch the size of the sink drain pipe should be 15-inch.

I can drop down with a15 in vertical to the 2in drain line fortunatelyis at the end of the lineso that part is easy. If your building code only requires a 15-inch drain pipe size and you do not want to go with the two-inch that most shower trays are built to accommodate you still have other options. FREE Shipping on orders over 25 shipped by Amazon.