Model # PL-3023

Internet #100184822

Store SKU #761886

null 3/8 in. O.D. Plastic Tee

3/8 in. O.D. Plastic Tee

$687 /each
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Frequently Bought Together

Product Overview

This Quick Connect fitting incorporates stainless steel gripping teeth in it's collets. These corrosion resistant teeth allow these fittings to interconnect with multiple materials without the need for special tools or tube inserts. After a joint is made, the tubing can still swivel while connected, even under maximum pressure.

California residents: see   Proposition 65 information

  • Use with copper, PEX, CPVC and polybutylene tubing
  • No tools necessary for connection
  • Connects in one easy step
  • Strong seal and hold for peace of mind

Info & Guides

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Left Side Size
Product Depth (in.)
Product Height (in.)
Product Length (in.)
1 in
Product Width (in.)
Right Side Size


Compatible Pipe Material
Push to Connect
Fitting Diameter (in.)
Fitting or Connector Type
Tee or Wye
Fitting/ Connector Collection
Left Side Connection
Left Side Inlet
Maximum working pressure (psi)
Pipe or Fitting Product Type
Fittings & Connectors
Product Weight (lb.)
Push to connect
Right Side Connection

Warranty / Certifications

Manufacturer Warranty
Watts (the "Company") warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment.

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Customer Questions & Answers

What plastic material is this made out of?

I'm planning to run extremely concentrated sodium hydroxide (very high pH) through these.
Asked by: stewksbu
Hi, The small Series 10 fittings are made of polypropylene. Please let us know if you have any other questions or concerns. Thank you.
Answered by: WattsWater
Date published: 2017-02-07
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Customer Reviews

3/8 in. O.D. Plastic Tee is rated 1.7 out of 5 by 6.
Rated 1 out of 5 by from YUK poor design Purchased these to hook up RO water system thought it was a good idea makes life simple WELL not so!!! every time you properly cut and insert the tube into the fitting as per instructions it scratches the tube leaving a groove or ridge from the barbs that keep the tube from coming out while under pressure( my system only works at 50 psig) since these grooves wont allow a liquid tight seal of the internal o ring guess what WATER LEAKS !!!! Yes another case of poor engineering You would think that the R&D department at Watts would have discovered this before releasing for retail sales. I have used this type of product on truck air brake systems that conform to DOT regs and never once had a AIR leak So whats so hard about designing a product that works at 1/3 the PSIG of an air system and only holds back water. I give up!!
Date published: 2014-07-30
Rated 1 out of 5 by from Leaks terrible Go with brass Leaks! Go with brass. Did everything right. It's just not solid especially if you any kind of pressure which in my case wasn't a whole lot.
Date published: 2013-07-20
Rated 5 out of 5 by from My positive experience I use these fittings in my business and am very happy with them. I find that when these leak someone has not installed them properly. You must insert the pipe past the O ring inside. I have found many people who have told me that the fitting leaks thought they had it inserted properly but it was not. I recommend a little sanding of the edge at an angle (chamfering). This most defiantly helps get the pipe to slide past the O ring. As far as metal in comparison to plastic just keep in mind, especially when using in consumable water, that the brass fitting unless stated as lead free contains lead in the metal. Some states such as California and Vermont requires all metal plumbing fittings be lead free for consumable water.
Date published: 2014-04-13
Rated 1 out of 5 by from Leaky junk Upon installation, two of the three ports were fine, but the third one leaks. Flipping it around 180 degrees, the same port leaks, so it's definitely the fitting, not the tubing. I took it back and exchanged it, and the replacement leaks out of 2 of 3 ports.
Date published: 2016-03-17
Rated 1 out of 5 by from Garbage I am a retired chemical engineer (32 years) with a huge amount of hands on experience running pipe (threaded galvanized from ½" up to 3"), tubing of all sorts, materials and sizes (1/8" to 1") and compression connections of various materials and manufacturers. I have had no problems installing several Watts 3/8" by ¼" push reducing unions on PE tubing, nor a ¼" Watts push union tee on copper tubing, but installing this 3/8" Watts push tee proved problematic. No matter what I did, the fitting leaked out of the bull of the tee. I am now awaiting the shipment of a British equivalent.
Date published: 2015-02-20
Rated 1 out of 5 by from Horrible Also tried to use for connecting an RO system. I know how to properly cut and seat the pipe past the O-ring, since all connections to the RO system itself are leak-free, but the connections to and from the TEE leak. I tried multiple tees, and many cuts, new tube, all leaked. Compression fitting works better. The 1/4 size worked without issue., but some reason all of the 3/8" size leak.
Date published: 2015-02-14
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