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UPONOR Expansion Polymer Barbed Tube Fitting - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Expansion Polymer Barbed Tube Fitting

The UPONOR Barbed Fitting Coupling (MPN Q4771307) is an expansion polymer barbed tube fitting with a 1 1/4 in ID x 3/4 in ID size and a barbed x barbed connection type. It uses the PEX expansion connection method, as…

SKU 3G-OTH-474124

Also listed as: Q 4771307 · Q-4771307

Brand
UPONOR
Item
Expansion Polymer Barbed Tube Fitting
Part Number
Q4771307
Category
Expansion Polymer Barbed Tube Fittings
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

UPONOR
Manufacturer Part Number
Q4771307
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed

Technical Documents

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UPONOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UPONOR Barbed Fitting Coupling (MPN Q4771307) is an expansion polymer barbed tube fitting with a 1 1/4 in ID x 3/4 in ID size and a barbed x barbed connection type. It uses the PEX expansion connection method, as specified by the OEM.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Coupling Q4771307 used for?

The UPONOR Barbed Fitting Coupling Q4771307 connects two PEX pipes of different diameters — 1 1/4 in ID and 3/4 in ID — using a barbed x barbed connection. It is commonly used in residential and commercial plumbing, radiant heating, and hydronic systems where a reliable, leak-resistant joint is required.

What are the specifications of the UPONOR Q4771307 coupling?

The UPONOR Q4771307 is a polymer expansion barbed fitting coupling with a 1 1/4 in ID x 3/4 in ID size. It features a barbed x barbed connection type and uses the PEX expansion connection method as specified by the OEM. The manufacturer part number is Q4771307.

Where to buy the UPONOR Q4771307 coupling worldwide?

3G Electric supplies the UPONOR Q4771307 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 a quote and lead time on this expansion polymer fitting.

How to install the UPONOR expansion barbed fitting coupling?

Installation of the UPONOR Q4771307 coupling requires a PEX expansion tool. First, expand the PEX tube end, then insert the barbed fitting before the tube contracts to form a tight seal. Always follow the manufacturer's instructions and use compatible PEX pipe for a secure, leak-free connection.

Used in

Common applications for UPONOR
Hydronic heating systems — Uponor brass ball valves with PEX x PEX connections for zone flow control and isolation.
Potable water plumbing — Uponor expansion brass barbed tube fittings for transitioning PEX to copper piping.
Radiant floor heating — Uponor PEX x Sweat ball valves for manifold isolation and balancing.
Industrial plumbing — Uponor water meter valves for accurate flow measurement and shut-off.
Snow and ice melting systems — Uponor brass ball valves rated to 250 psi CWP for glycol mixture control.
Commercial building services — Uponor tubing cutters for clean, square cuts on PEX tubing during installation.
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UPONOR 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.

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This expansion polymer barbed tee fitting has a 2-1/2 in ID x 2-1/2 in ID x 2 in ID size with four barbed connections. It is designed for use with PEX tubing using the expansion connection method. Commonly used in hydronic heating and potable water systems to create branch connections

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