Opening for drain access can be between 10 and 14 inches offset from framing and 6 to 8 inches wide.
Plumbing double sink drain through floor.
You can install a double sink drain in more than one way but the most common method is to extend a horizontal drain arm with a 90 degree elbow from each sink to a tee fitting that connects to the trap.
When you are installing a kitchen sink drain pipe along with the drain attachment on the floor you will need to be able to fit the drain and the parts together.
Faucet valves 20 to 22 inches above the floor.
With most drains a bead of plumber s putty is placed around the drain opening then the drain assembly is inserted into the drain opening and a mounting nut is threaded onto the fitting s tailpiece from below the sink.
Take careful measurements of the 3 pipes and their location compared to the back wall and transfer these measurements to the floor of the vanity.
Discharge hole from back wall.
I d make a cardboard template to test out my accuracy.
Place drain on centerline.
Horizontally each faucet goes 4 inches to the right left of centerline.
Tips on replacing a sagging pipe under the floor when dealing with extensive plumbing problems it s important to consult a professional to ensure proper repairs and safety measures.
Tub spout 4 inches above tub rim.
The drains for a double kitchen sink typically connect to a single p trap which then connects to the drain.
As the p trap goes you first connect p trap to a short length of straight pipe before you hook down to the vertical drain pipe.
The commode drainpipe is the largest in diameter either 3 or 4 inches and all.
The sink s drainpipe runs downward to connect in the floor to the main drainpipe which originates with the commode.
Install the drain fitting from the drain assembly onto the sink following the manufacturer s instructions.
Just cut a hole for the pipe and use a decorative pipe trim and connecting component as you would on the pedestal sink so you don t look at ugly pipes.