Connecting 1 1/4 drain to 1 1/2 pipe
#1
Member
Thread Starter
Join Date: Mar 2007
Posts: 11
Upvotes: 0
Received 0 Upvotes
on
0 Posts
Connecting 1 1/4 drain to 1 1/2 pipe
Hello All,
Installing a new bathroom sink and the new drain is 1 1/4 inch. The trap and waste piping itself is 1 1/2 inch. I looked at the old stuff that I ripped out with the sink and it just looks like a washer is making up the difference. By what I am reading a "reducer" washer.. Is that all that is needed for this application?
Thanks!
Installing a new bathroom sink and the new drain is 1 1/4 inch. The trap and waste piping itself is 1 1/2 inch. I looked at the old stuff that I ripped out with the sink and it just looks like a washer is making up the difference. By what I am reading a "reducer" washer.. Is that all that is needed for this application?
Thanks!
#2
Member
Join Date: Aug 2007
Posts: 230
Upvotes: 0
Received 0 Upvotes
on
0 Posts
yes. you can use the regular 1 1/2" slip joint nut but with a 1 1/2" x 1 1/4" reducing slip joint washer to connect to the pop up assembly. any hardware store should have one but if you bought a new p-trap it should have came with one too.
#4
Member
Join Date: Sep 2007
Posts: 1
Upvotes: 0
Received 0 Upvotes
on
0 Posts
reducer washer leaks
p-nor, others,
reducer washer is leaking out the top. the slip-joint nut has 1-1/2" hole. only difference from previous installation is instead of 1-1/4 drain assy going directly into trap, i've added 1-1/2" diam extension because assy was too short. i.e. the reduction is made btwn the assy and the extension. the old installation with 1-1/4 assy going into the 1-1/2 trap did not leak. i don't recall if the nut on the trap had a 1-1/2 or 1-1/4 hole. (the workers took it away when they tore out the sink.) Now the 1-1/2 ext into trap is fine, but the transition from the 1-1/4 drain assy to the 1-1/2 straight extension slip-joint leaks. the washer -- typical cheap nylon -- cannot seal around the 1-1/4 plastic. is this because the nut cannot clamp down enough on the washer because its hole is 1-1/2 instead of 1-1/4?
stores i've gone to only have 1-1/2 nut with 1-1/2 hole.
pipes are slightly out of alignment -- because the tightening of the drain hole nuts tweaked the assy -- but not enough to make the washer on the extension leak.
the washer is standard "lasco" grade nylon so should be ok.
will getting a 1-1/2" nut with a 1-1/4" hole do the trick? do they make one?
why do the manufacturers ALWAYS make the drain extension too short?!?
signed,
frustrated weekend plumber
reducer washer is leaking out the top. the slip-joint nut has 1-1/2" hole. only difference from previous installation is instead of 1-1/4 drain assy going directly into trap, i've added 1-1/2" diam extension because assy was too short. i.e. the reduction is made btwn the assy and the extension. the old installation with 1-1/4 assy going into the 1-1/2 trap did not leak. i don't recall if the nut on the trap had a 1-1/2 or 1-1/4 hole. (the workers took it away when they tore out the sink.) Now the 1-1/2 ext into trap is fine, but the transition from the 1-1/4 drain assy to the 1-1/2 straight extension slip-joint leaks. the washer -- typical cheap nylon -- cannot seal around the 1-1/4 plastic. is this because the nut cannot clamp down enough on the washer because its hole is 1-1/2 instead of 1-1/4?
stores i've gone to only have 1-1/2 nut with 1-1/2 hole.
pipes are slightly out of alignment -- because the tightening of the drain hole nuts tweaked the assy -- but not enough to make the washer on the extension leak.
the washer is standard "lasco" grade nylon so should be ok.
will getting a 1-1/2" nut with a 1-1/4" hole do the trick? do they make one?
why do the manufacturers ALWAYS make the drain extension too short?!?
signed,
frustrated weekend plumber