Determine your size for pedestal sink
After remodeling the bathroom, it’s usually very difficult to install a new pedestal sink because each pedestal is a little different. Some pedestals can slide out from the sink and they are easy to work with (under the sink) - refer to Fig.51 below. Other pedestals can’t slide out because the sink has Stop X (Fig.52) and this in turn makes it very difficult to replace the p-trap. If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. Because of this, we recommend using the Flex P-trap and pedestal without reinforcement - refer to Fig.53.
- First, you have to check your model of pedestal sink from Fig.51 - Fig.53
- Second, you have to check the distance JK in space
- Third, you choose the length of p-trap from bottom.
Our converter formula was specially designed to make it a lot easier for you figure out what you need. Measure the distance JK in space and the length of Flex p-trap will be:
J—end of tailpiece
K—bottom of drain
Fig.51 (video 51)
When you lift up too much of the floor with the tiles, you have to reposition the sink and use the Flex P-trap because the distance from the bottom of sink to the drain will increase, and it's very hard to install a regular p-trap (Fig.51). If you use the Flex P-trap, you can install it yourself.
If H=A in bottom of the tailpiece you will need 3.5 inches to install a regular P-trap or the Flex P-trap with 2.0 inches water seal (Fig.52). If you have 3.5 inches of space and you lift up the floor with new tiles you have two possibilities: first, you have to reposition the sink and to lift up the drain to install the regular P-trap; second, to reposition the sink and do not lift up the drain but use the Flex P-trap (Fig.51).
The best case is for the Pedestal Sink to have H=A, because if you add the new floor’s tiles you will have enough room for the P-trap (Fig.53). When the sink is clogged you don't need to remove the sink from the wall to unclog the line, you only have to disconnect the Flex P-trap from the wall.
Fig.53A (video 53A)
If the drain is in the floor (Fig.35A), ideally the Pedestal Sink will have the S-trap extension tube with the length L=JK (or you can cut it to the length you need). G=8-10 inches. If you add the new floor tiles you will have enough room for S-trap (Fig.53A). When the line it is clogged you don't need to remove the sink from wall to unclog the line, you only need to disconnect the S-trap extension from the floor. We recommend using the Universal Flex Connecting-tube.
Fig.53B (video 53B)
If the drain is in the floor (Fig.35B) and the vent it is not very good, the best way is for the Pedestal Sink to have a Flex P-trap with deep water seal. For G=8 inches minimum, E=5, G-E=3 inches, the length of the Flex P-trap will be 12 inches and the water seal S=3.5 inches. if you add 1 inch to the p-trap's length, the water seal will increase with 0.5 inches. We recommend using the Flex P-trap 1-1/4 kit.
You can eliminate the S-trap if you have the space (Fig.53C). Minimum distance G=4 is needed to install the flex p-trap.