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Replacing An Air Compressor Single Outlet With Two Outlets

 
In This Article:

A tee fitting is added to the standard air compressor outlet, and quick disconnect couplings installed so 2 air hoses can be used at once.

Related Articles:
Skill Level: 1-2 (Basic Plumbing) Time Taken: About 20 Minutes

By Bruce W. Maki, Editor

 

Introduction:

An air compressor is an essential part of HammerZone's workshop. But... I was getting tired of switching air tools all the time, or having to drag the air hose outdoors to blow the dust off something.

So I decided to alter the outlet piping to allow for two air hoses to be connected at the same time. 

 

This is the female quick-disconnect that has been the only outlet on this compressor for many years.

Note that most compressors don't come with a quick disconnect fitting, just a ¼" NPT male fitting.

 

I removed the female coupling with a pair of wrenches.

 

I applied some pipe thread compound to the male fitting and screwed the ¼" tee onto the male threads.

 

Then I installed a 4" nipple to one part of the tee.

I only needed small pipe wrenches to tighten these small diameter fittings. It's easy to over-tighten the pipe and strip the threads.

 

I installed a shorter nipple on the other opening of the tee.

 

Then I installed a female quick-disconnect on the end of each nipple.

I don't know why I didn't do this a couple of years ago.

Now I leave a blow gun attached to one air hose, and the other hose is used for nailers, impact wrenches or whatever air tool I might be using.

 

 

Tools Used:

  • Small Pipe Wrenches (2)
  • Pipe Thread Comound
  • Open-end Wrenches

 

Materials Used:

  • Nipples, ¼" NPT, 2" long, 4" long.
  • Tee, ¼" NPT
  • Female Quick-Disconnect Fittings

 

 

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Written January 12, 2004