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UPONOR Barbed Fitting Coupling: 1 1/4 in ID x 3/4 in ID Size, Barbed x Barbed - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Barbed Fitting Coupling: 1 1/4 in ID x 3/4 in ID Size, Barbed x Barbed

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

Brand
UPONOR
Item
Barbed Fitting Coupling: 1 1/4 in ID x 3/4 in ID Size, Barbed x Barbed
Category
Expansion Polymer Barbed Tube Fittings
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Technical Specifications

UPONOR
Manufacturer Part Number
Q4771307
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed
[New] - PEX Connection Method
Expansion
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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 manual two-way ball valves for flow isolation in PEX-based radiant heating loops
Water meter installation — Uponor water meter brass ball valves with PEX x NPSM connections for utility metering points
Plumbing maintenance — Uponor tube cutter for PEX used in cutting pipe during repair or retrofitting of water supply lines
Commercial building water distribution — Uponor angle ball valves for space-saving connections in mechanical rooms
Industrial process water — Uponor brass ball valves rated to 250 psi for shut-off in non-potable water lines

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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