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
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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.
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Common applications for UPONORUPONOR 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.


![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fbd261fc7-cf87-4b6a-8555-e46d2fcc4995.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F62976661-01ea-4781-91ac-5c6a928c6a7a.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F5f76800c-3430-4b84-b948-7bc56e4ebd57.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F4b353255-7a29-470e-9876-24d5cdb6e288.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Ff8a0b653-1be7-4f32-850c-c4435833a794.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Ff1a58d44-7fb5-493d-9af3-1819ab063627.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fefd0ee0f-20a1-45b7-b07a-eff0ed5afe0d.jpg&w=200)
![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.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fe1c1110a-9e2b-4e24-8be7-ba65ff05034d.jpg&w=200)