UPONOR Barbed Fitting Coupling: 3/4 in ID x 1 in ID Size, Barbed x Barbed, Polymer
The UPONOR Barbed Fitting Coupling (MPN Q4777510) is an expansion polymer barbed tube fitting with a 3/4 in ID x 1 in ID size and barbed x barbed connection type. It uses the expansion PEX connection method, enabling…
SKU 3G-OTH-474092
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Product Description
The UPONOR Barbed Fitting Coupling (MPN Q4777510) is an expansion polymer barbed tube fitting with a 3/4 in ID x 1 in ID size and barbed x barbed connection type. It uses the expansion PEX connection method, enabling secure joining of PEX tubing without additional fittings.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Coupling Q4777510 used for?
The UPONOR Barbed Fitting Coupling Q4777510 is used to join PEX tubing in plumbing and radiant heating systems. Its barbed x barbed design and expansion connection method create a secure, leak-resistant joint without additional fittings, making it ideal for residential and commercial water distribution.
What are the specifications of the UPONOR Q4777510 coupling?
The UPONOR Q4777510 is a polymer barbed fitting coupling with a 3/4 in ID x 1 in ID size and barbed x barbed connection type. It uses the expansion PEX connection method for secure tubing joining. The manufacturer part number is Q4777510, and it is from the UPONOR brand.
Where to buy the UPONOR Q4777510 coupling worldwide?
3G Electric supplies the UPONOR Q4777510 coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this expansion polymer barbed fitting.
How to install the UPONOR expansion barbed fitting coupling?
To install the UPONOR expansion barbed fitting coupling, first cut the PEX tubing square and clean the end. Slide an expansion ring onto the tubing, then use an expansion tool to expand the ring and tubing. Insert the barbed end of the coupling and allow the ring to contract for a secure seal.
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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: 1 in ID x 3/4 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751753). 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%2F059ad21a-da4b-440a-aca5-ddf1b661ef8c.jpg&w=200)
![UPONOR Barbed Tee: 3 in ID x 2 1/2 in ID x 1 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4753215). 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%2F042c4eab-593a-4232-b1ca-ff2e022fef04.jpg&w=200)
![UPONOR Barbed Tee: 2 in ID x 2 in ID x 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752250). 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%2F00efbf51-9bcd-427b-b319-64010c84c61f.jpg&w=200)
![UPONOR Barbed Tee: 1/2 in ID x 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4755575). 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%2F003cb1c2-e034-46a8-8f7b-a86ee99653eb.jpg&w=200)
![UPONOR Barbed Tee: 1 in ID x 1 in ID x 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751150). 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%2Fff8644e9-b59f-4c67-815f-35fff82057ac.jpg&w=200)
![UPONOR Barbed Tee: 3 in ID x 3 in ID x 1 1/2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4753315). 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%2Ffc225f61-93a2-481f-9d88-234443efb816.jpg&w=200)
![UPONOR Barbed Tee: 2 1/2 in ID x 2 in ID x 2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752522). 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%2Ff6008672-a30f-49ff-898e-b0285bf91b82.jpg&w=200)
![UPONOR Barbed Tee: 2 in ID x 1 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752110). 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%2Ff56437e4-8cc3-462d-ab2d-d432aa1fe1b1.jpg&w=200)