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UPONOR Barbed Fitting Adapter: 1 in ID x 1 1/4 in Pipe Size, Barbed x NPSM, Polymer - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Barbed Fitting Adapter: 1 in ID x 1 1/4 in Pipe Size, Barbed x NPSM, Polymer

The UPONOR Barbed Fitting Adapter (MPN WS4361000) is an expansion polymer barbed tube fitting with a 1 in ID and 1 1/4 in pipe size, featuring a Barbed x NPSM connection type and an expansion PEX connection method.

SKU 3G-OTH-474043

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

UPONOR
Manufacturer Part Number
WS4361000
Type
Barbed x NPSM, Polymer, Expansion
Connection Type
Barbed x NPSM
[New] - PEX Connection Method
Expansion
View Full Spec Sheet

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

Product Description

The UPONOR Barbed Fitting Adapter (MPN WS4361000) is an expansion polymer barbed tube fitting with a 1 in ID and 1 1/4 in pipe size, featuring a Barbed x NPSM connection type and an expansion PEX connection method.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Adapter WS4361000 used for?

The UPONOR Barbed Fitting Adapter WS4361000 connects 1 in ID PEX tubing to 1 1/4 in NPSM threaded ports in plumbing and hydronic heating systems. Its expansion PEX connection method provides a secure, leak-resistant joint for potable water and radiant heating applications.

What are the specifications of the UPONOR Barbed Fitting Adapter WS4361000?

The UPONOR Barbed Fitting Adapter WS4361000 has a 1 in inside diameter, fits 1 1/4 in pipe size, and uses a Barbed x NPSM connection type. It is made of polymer and employs an expansion PEX connection method. The manufacturer part number is WS4361000.

Where to buy the UPONOR Barbed Fitting Adapter WS4361000 worldwide?

3G Electric supplies the UPONOR Barbed Fitting Adapter WS4361000 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this expansion polymer barbed fitting.

How to install the UPONOR Barbed Fitting Adapter WS4361000?

Install the UPONOR Barbed Fitting Adapter WS4361000 by expanding the PEX tube end with an expansion tool, then inserting the barbed fitting before the tube contracts. Ensure the NPSM thread is sealed with appropriate tape or compound. Follow UPONOR's instructions for proper expansion 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

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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UPONOR Barbed Tee: 1 1/4 in ID x 1 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751317). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 1 in ID x 1 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751175). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 2 in ID x 1 1/2 in ID x 2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752152). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 2 in ID x 1 1/2 in ID x 2 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752152). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Fitting Coupling: 2 in ID x 1 1/2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4772015). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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UPONOR Barbed Fitting Coupling: 2 in ID x 1 1/2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4772015). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Tee: 3 in ID x 3 in ID x 3 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4753000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 3 in ID x 3 in ID x 3 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4753000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Fitting Elbow: 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4761250). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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UPONOR Barbed Fitting Elbow: 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4761250). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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