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

UPONOR Barbed Fitting Adapter: 1 1/4 in ID Size, Barbed x Barbed, PEX - Expansion Rings for Barbed Tube Fittings
UPONORExpansion Rings for Barbed Tube Fittings

UPONOR Barbed Fitting Adapter: 1 1/4 in ID Size, Barbed x Barbed, PEX

The UPONOR Barbed Fitting Adapter (MPN Q4691250) is a 1 1/4 in ID size, barbed x barbed PEX expansion fitting. It uses an expansion connection method for PEX tubing. 3G Electric interprets demand and delivers this…

SKU 3G-OTH-485733

Brand
UPONOR
Item
Barbed Fitting Adapter: 1 1/4 in ID Size, Barbed x Barbed, PEX
Category
Expansion Rings for Barbed Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

UPONOR
Manufacturer Part Number
Q4691250
Type
Barbed x Barbed, PEX, Expansion
Connection Type
Barbed x Barbed
[New] - PEX Connection Method
Expansion
View Full Spec Sheet

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 Adapter (MPN Q4691250) is a 1 1/4 in ID size, barbed x barbed PEX expansion fitting. It uses an expansion connection method for PEX tubing. 3G Electric interprets demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is UPONOR Barbed Fitting Adapter Q4691250 used for?

The UPONOR Barbed Fitting Adapter Q4691250 connects 1 1/4 in ID PEX tubing using an expansion method. It is used in plumbing, hydronic heating, and industrial fluid systems where a reliable, leak-free joint is required. 3G Electric supplies this genuine component worldwide.

What are the specifications of UPONOR Barbed Fitting Adapter Q4691250?

The UPONOR Barbed Fitting Adapter Q4691250 has a 1 1/4 in ID size, barbed x barbed connection type, and uses the PEX expansion connection method. It is a new, genuine UPONOR part. 3G Electric sources and delivers this fitting across 14 industrial departments.

Where to buy UPONOR Barbed Fitting Adapter Q4691250 worldwide?

3G Electric supplies the UPONOR Barbed Fitting Adapter Q4691250 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this genuine expansion fitting.

How to install UPONOR Barbed Fitting Adapter Q4691250?

Install the UPONOR Barbed Fitting Adapter Q4691250 by sliding an expansion ring onto the PEX tube, expanding the tube and ring with an approved expansion tool, then inserting the barbed adapter. Allow the joint to contract for a secure seal. Always follow UPONOR's installation guidelines.

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 rings for 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
UPONOR Barbed Fitting Adapter: 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690512). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690512). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 2 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 2 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4692000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 3 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4693000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 3 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4693000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 1 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 1 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691000). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 1 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 1 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4691500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 5/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690625). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 5/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690625). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 3/4 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690756). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR
UPONOR Barbed Fitting Adapter: 3/4 in ID Size, Barbed x Barbed, PEX, Expansion (MPN Q4690756). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.