If your existing drain flange is 3/4" NPT, you need this to reduce it down to our lights. Which is 1/2" NPT.
NPT stands for = National Pipe Thread
3/4" NPT physically measures 1"
1/2" NPT physically measures 3/4"
NPT threads are tapered and seal as you tighten them. Teflon tape or TefGel (found HERE) will keep the threads protected, sealed and help prevent corrosion.
If your existing drain flange is 3/4" NPT, you need this to reduce it down to our lights. Which is 1/2" NPT.
NPT stands for = National Pipe Thread
3/4" NPT physically measures 1"
1/2" NPT physically measures 3/4"
NPT threads are tapered and seal as you tighten them. Teflon tape or TefGel (found HERE) will keep the threads protected, sealed and help prevent corrosion.
