UPONOR Barbed Tee: 1 1/2 in ID x 1 in ID x 1 1/2 in ID Size
The UPONOR Barbed Tee is an expansion polymer barbed tube fitting with a 1 1/2 in ID x 1 in ID x 1 1/2 in ID size, featuring a Barbed x Barbed x Barbed x Barbed connection type (MPN Q4751505). It uses an expansion…
SKU 3G-OTH-474111
Need installation or engineering help?
Ask a question
Product Description
The UPONOR Barbed Tee is an expansion polymer barbed tube fitting with a 1 1/2 in ID x 1 in ID x 1 1/2 in ID size, featuring a Barbed x Barbed x Barbed x Barbed connection type (MPN Q4751505). It uses an expansion PEX connection method, designed for reliable joining in industrial piping systems.
Frequently Asked Questions
What is the UPONOR Barbed Tee Q4751505 used for?
The UPONOR Barbed Tee Q4751505 is used to branch or combine PEX tubing in industrial piping systems. Its 1 1/2 in ID x 1 in ID x 1 1/2 in ID barbed connections allow reliable flow distribution in hydronic heating, cooling, and process lines.
What are the specifications of the UPONOR Barbed Tee Q4751505?
The UPONOR Barbed Tee Q4751505 has a 1 1/2 in ID x 1 in ID x 1 1/2 in ID size with Barbed x Barbed x Barbed x Barbed connections. It uses an expansion PEX connection method and is made of expansion polymer. The manufacturer part number is Q4751505.
Where to buy the UPONOR Barbed Tee Q4751505 worldwide?
3G Electric supplies the UPONOR Barbed Tee Q4751505 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this expansion polymer barbed tube fitting.
How to install the UPONOR Barbed Tee Q4751505?
Install the UPONOR Barbed Tee Q4751505 using the expansion PEX method: expand the PEX tube end with an expansion tool, then insert the barbed fitting. The polymer contracts to form a tight seal. Always follow UPONOR's installation guidelines for proper joint integrity.
Used in
Common applications for UPONORUPONOR Products
3G Electric supplies UPONOR expansion polymer barbed tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


![UPONOR Barbed Tee: 2 in ID x 1 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4752575). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fd1937cda-4841-405b-80c3-1f5a66a61730.jpg&w=200)
![UPONOR Barbed Fitting Coupling: 2 1/2 in ID x 2 1/2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4772525). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fcf85fe5e-fee7-4b5d-9e61-23e7847623d4.jpg&w=200)
![UPONOR Barbed Tee: 1 1/4 in ID x 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fcc92924a-58a4-4c50-a9e7-5cc93df53469.jpg&w=200)
![UPONOR Barbed Tee: 1 in ID x 3/4 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751751). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fcc444112-0184-40b0-99f5-03cfc5e33b6b.jpg&w=200)
![UPONOR Barbed Fitting Plug: 1 in ID Size, Barbed, Polymer, Expansion (MPN Q4351000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fcc2ed3a7-b413-4733-b4d0-19bb35139537.jpg&w=200)
![UPONOR Barbed Tee: 2 1/2 in ID x 2 in ID x 1 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4752525). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fcafefdf1-bd48-454e-9106-72f4ee49b15b.jpg&w=200)
![UPONOR Barbed Fitting Elbow: 2 in ID x 2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4762000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fca6ebabb-30db-422d-8d01-d9d197feb6f7.jpg&w=200)
![UPONOR Barbed Tee: 1/2 in ID x 1/2 in ID x 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4755050). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc970e497-50b4-4e20-a6f5-7fd4fab178e8.jpg&w=200)