UPONOR Barbed Fitting Coupling: 1 1/2 in ID x 1 in ID Size, Barbed x Barbed, Polymer
The UPONOR Barbed Fitting Coupling (MPN Q4771510) is a polymer expansion barbed tube fitting with a 1 1/2 in ID x 1 in ID size and barbed x barbed connection type. It uses an expansion PEX connection method, as…
SKU 3G-OTH-474125
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Product Description
The UPONOR Barbed Fitting Coupling (MPN Q4771510) is a polymer expansion barbed tube fitting with a 1 1/2 in ID x 1 in ID size and barbed x barbed connection type. It uses an expansion PEX connection method, as specified by the manufacturer.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Coupling Q4771510 used for?
The UPONOR Barbed Fitting Coupling Q4771510 connects two PEX pipes of different diameters (1 1/2 in ID to 1 in ID) in hydronic heating, plumbing, and radiant systems. Its barbed x barbed design and expansion PEX connection method ensure a secure, leak-resistant joint in residential and commercial installations.
What are the specifications of the UPONOR Q4771510 coupling?
The UPONOR Q4771510 is a polymer barbed fitting coupling with a 1 1/2 in ID x 1 in ID size and barbed x barbed connection type. It uses the expansion PEX connection method as specified by UPONOR. The manufacturer part number is Q4771510, and the fitting is made of durable polymer material.
Where to buy UPONOR Q4771510 worldwide?
3G Electric supplies the UPONOR Q4771510 barbed fitting coupling to customers 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 PEX fitting.
How to install the UPONOR expansion PEX coupling?
To install the UPONOR Q4771510 coupling, use an expansion tool to enlarge the PEX pipe end, then insert the barbed fitting before the pipe contracts around it. Ensure the pipe is fully seated against the fitting shoulder. Follow UPONOR’s instructions for proper expansion ring placement and tool settings.
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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.


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![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)
![UPONOR Barbed Fitting Plug: 1 1/2 in ID Size, Barbed, Polymer, Expansion (MPN Q4351500). 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%2Fc6c152b4-1014-42e5-88bf-a88aabbef386.jpg&w=200)
![UPONOR Barbed Tee: 2 in ID x 2 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752210). 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%2Fc5bc84ba-fbcf-40aa-bd9e-ea758a1b2681.jpg&w=200)