Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
UPONOR Q4773020 Expansion Polymer Barbed Tube Coupling - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Q4773020 Expansion Polymer Barbed Tube Coupling

The UPONOR Barbed Fitting Coupling (MPN Q4773020) is a polymer expansion barbed tube fitting with a 3 in ID x 2 in ID size and barbed x barbed connection type. It uses an expansion PEX connection method, as specified…

SKU 3G-OTH-474152

Also listed as: Q 4773020 · Q-4773020

Brand
UPONOR
Item
Q4773020 Expansion Polymer Barbed Tube Coupling
Category
Expansion Polymer Barbed Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
Q4773020
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed
[New] - PEX Connection Method
Expansion

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The UPONOR Barbed Fitting Coupling (MPN Q4773020) is a polymer expansion barbed tube fitting with a 3 in ID x 2 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 Q4773020 used for?

The UPONOR Barbed Fitting Coupling Q4773020 is used to join two PEX pipes of different diameters in plumbing and hydronic heating systems. Its 3 in ID x 2 in ID barbed x barbed design provides a secure, leak-resistant connection using the expansion PEX method.

What are the specifications of the UPONOR Q4773020 coupling?

The UPONOR Q4773020 is a polymer expansion barbed tube coupling with a 3 in ID x 2 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 Q4773020.

Where to buy the UPONOR Q4773020 coupling worldwide?

3G Electric supplies the UPONOR Q4773020 coupling to customers worldwide. 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 coupling?

To install the UPONOR expansion barbed coupling, use an expansion tool to enlarge the PEX pipe end, then insert the barbed fitting. As the pipe contracts, it forms a tight seal around the barbs. Always follow UPONOR's instructions for proper expansion and insertion depth.

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
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from UPONOR

View all UPONOR parts →
This UPONOR expansion polymer barbed tee features a 1 in ID x 1 in ID x 1/2 in ID size with barbed x barbed x barbed x barbed connections. It is designed for use in PEX plumbing systems to create branch connections, joining three pipes using an expansion connection method. The fitting is made of polymer and is suitable for residential and commercial water supply applications
UPONOR
This UPONOR expansion polymer barbed tee features a 1 in ID x 1 in ID x 1/2 in ID size with barbed x barbed x barbed x barbed connections. It is designed for use in PEX plumbing systems to create branch connections, joining three pipes using an expansion connection method. The fitting is made of polymer and is suitable for residential and commercial water supply applications
This UPONOR barbed tee is a polymer expansion fitting with three barbed ends, sized 3 in ID x 3 in ID x 1 1/2 in ID. It is used to create a branch in PEX piping systems, joining a 3 in main line with a 1 1/2 in branch. Common applications include hydronic heating, radiant floor systems, and potable water distribution
UPONOR
This UPONOR barbed tee is a polymer expansion fitting with three barbed ends, sized 3 in ID x 3 in ID x 1 1/2 in ID. It is used to create a branch in PEX piping systems, joining a 3 in main line with a 1 1/2 in branch. Common applications include hydronic heating, radiant floor systems, and potable water distribution
This UPONOR barbed tee is a polymer fitting with three barbed ends (2 1/2 in ID and two 2 in ID) for use with expansion PEX tubing. It creates branch connections in plumbing and hydronic heating systems, providing secure joints without the need for additional clamps or tools
UPONOR
This UPONOR barbed tee is a polymer fitting with three barbed ends (2 1/2 in ID and two 2 in ID) for use with expansion PEX tubing. It creates branch connections in plumbing and hydronic heating systems, providing secure joints without the need for additional clamps or tools
This UPONOR expansion polymer barbed tube fitting has a 2 in ID x 1 in ID x 1 in ID size with Barbed x Barbed x Barbed x Barbed connections. It is used to create branch connections in PEX plumbing and hydronic heating systems, allowing a main line to feed two smaller lines
UPONOR
This UPONOR expansion polymer barbed tube fitting has a 2 in ID x 1 in ID x 1 in ID size with Barbed x Barbed x Barbed x Barbed connections. It is used to create branch connections in PEX plumbing and hydronic heating systems, allowing a main line to feed two smaller lines
This UPONOR expansion polymer barbed tube fitting features barbed x barbed connections and is designed for use with PEX tubing in plumbing and hydronic heating systems. It accommodates 2 1/2 in ID x 1 1/4 in ID sizes and utilizes an expansion connection method for secure joints
UPONOR
This UPONOR expansion polymer barbed tube fitting features barbed x barbed connections and is designed for use with PEX tubing in plumbing and hydronic heating systems. It accommodates 2 1/2 in ID x 1 1/4 in ID sizes and utilizes an expansion connection method for secure joints
This UPONOR expansion polymer barbed tube fitting is a tee with three barbed ends, sized 3 in ID x 3 in ID x 1 in ID. It is designed for use in PEX plumbing systems to create branch connections, utilizing an expansion connection method for secure joints in hydronic or potable water applications
UPONOR
This UPONOR expansion polymer barbed tube fitting is a tee with three barbed ends, sized 3 in ID x 3 in ID x 1 in ID. It is designed for use in PEX plumbing systems to create branch connections, utilizing an expansion connection method for secure joints in hydronic or potable water applications
Polymer expansion-type barbed tube fitting with 1 in ID x 1 in pipe size and Barbed x NPT connection. Uses expansion PEX connection method. Suitable for connecting PEX tubing to NPT threaded ports in plumbing and hydronic heating systems
UPONOR
Polymer expansion-type barbed tube fitting with 1 in ID x 1 in pipe size and Barbed x NPT connection. Uses expansion PEX connection method. Suitable for connecting PEX tubing to NPT threaded ports in plumbing and hydronic heating systems
This polymer barbed tee fitting connects three PEX tubes using an expansion method. It features a 1 in ID x 1/2 in ID x 1 in ID size with Barbed x Barbed x Barbed x Barbed connections. Suitable for use in plumbing systems to split or combine fluid flow at a tee junction
UPONOR
This polymer barbed tee fitting connects three PEX tubes using an expansion method. It features a 1 in ID x 1/2 in ID x 1 in ID size with Barbed x Barbed x Barbed x Barbed connections. Suitable for use in plumbing systems to split or combine fluid flow at a tee junction