Eternal Trap?

neolitic

I've never seen this one before
in residential.
1¼" chrome lav trap sweated into
a 1¼" to 1½" male adapter, screwed into
a 1½" brass el, inside the drywall,
behind the vanity.
How? More to the point, why?

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Ron The Plumber

See it all the time here. No surprise. Old timers, it don't happen today.

neolitic

This one was from 1969.
Good thing they decided on the
remodel.
I crushed the trap with my hand.

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Ron The Plumber

I just cut them out if they don't unscrew, then use a male adaptor in it's place and plastic trap after the fact.

KillerToiletSpider

That is called a solder bushing, back before the seventies in most parts of the country you could not have a slip connection after the outlet side of the trap, solder bushings were an easy way to make the connection between the drainage fitting and the tubular brass. 50/50 solder made it so that a minimal amount of heat was needed to solder the joint.

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neolitic

Guess the guy was from Chicago,
never seen that here, and I've
torn out plenty of 60's and earlier
bathrooms.
They were even using slip-joints
here in the 20's.
Maybe the 50/50 makes it easier...
couldn't believe not a scorch on the
drywall or even the cheesey masonite
vanity back!

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masterk

There here, I replace them all the time.