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New Member
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Apr 12, 2012, 12:34 PM
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Ask about pvc male adaptor
When it comes to 1 1/2 pvc male adaptors, I've noticed over the years that the threaded end seems to be shorter than usual or is that a different schedule type of pvc?
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Junior Member
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Apr 12, 2012, 03:14 PM
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I believe what you have, is what is know here as 1 1/2" desanco fitting used under sinks to connect a 1 1/2 trap to, not a 1 1/2 male adapter which has much more thread on it. Desancos many times come in the box or bag with 1 1/2 trap.
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Eternal Plumber
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Apr 12, 2012, 04:17 PM
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Originally Posted by puffmugs
I believe what you have, is what is know here as 1 1/2" desanco fitting used under sinks to connect a 1 1/2 trap to, not a 1 1/2 male adapter which has much more thread on it. Desancos many times come in the box or bag with 1 1/2 trap.
And I believe
Puff nailed it. Also known as a Midland Bushing, (see image) Here's one in brass. Is this what you're asking about? Tom
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Senior Plumbing Expert
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Apr 12, 2012, 05:33 PM
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I believe Jamez is talking about PVC desanco vs male adapter exactly as Puffmugs suggested... see images.
The desanco fitting (or trap adapter) has shorter threading and a tapered interior edge to mate with the desanco washer. The male adapter is not tapered on the inside and has the longer thread shank as pictured below.
In a pinch, both will work as male adapters. A male adapter, on the other hand will NOT work as a desanco without tapering the interior... ;)
Mark
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Eternal Plumber
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Apr 12, 2012, 05:43 PM
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Originally Posted by massplumber2008
I believe Jamez is talking about PVC desanco vs male adapter exactly as Puffmugs suggested...see images.
The desanco fitting (or trap adapter) has shorter threading and a tapered interior edge to mate with the desanco washer. The male adapter is not tapered on the inside and has the longer thread shank as pictured below.
In a pinch, both will work as male adapters. A male adapter, on the other hand will NOT work as a desanco without tapering the interior...;)
Mark
Don't they call them Midland Bushing any more? Or did I put up the wrong image? Regards. Tom
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Senior Plumbing Expert
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Apr 12, 2012, 06:55 PM
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Not familiar with that term, Tom... shows up as a brass reducing bushing (as the image you posted) in Google?
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Eternal Plumber
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Apr 13, 2012, 05:42 AM
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Originally Posted by massplumber2008
Not familiar with that term, Tom....shows up as a brass reducing bushing (as the image you posted) in google?
You're correct I did put up a reducing bushing ( I didn't notice the inside threadss,) but back in Tampa in the 60's we called them Midland Bushings. I only heard them called desanco fittings once or twice.
Never heard them called "trap adapters " but that's a good name for them. Same fitting, different names. Thanks for the correction. Cheers, Tom
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