UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x Cup
The UPONOR Barbed Fitting Adapter (MPN LF4512525) is an expansion brass barbed tube fitting with a 2 1/2 in ID x 2 1/2 in Pipe Size, featuring a Barbed x Cup connection type in brass/copper. It uses an expansion PEX…
SKU 3G-OTH-467919
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4512525) is an expansion brass barbed tube fitting with a 2 1/2 in ID x 2 1/2 in Pipe Size, featuring a Barbed x Cup connection type in brass/copper. It uses an expansion PEX connection method, enabling secure joining in plumbing systems. 3G Electric sources this genuine UPONOR component across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4512525 used for?
The UPONOR Barbed Fitting Adapter LF4512525 is used to join PEX tubing to copper or brass piping in plumbing systems. Its barbed x cup design and expansion connection method create a secure, leak-resistant joint for potable water and hydronic heating applications.
What are the specifications of the UPONOR LF4512525?
The UPONOR LF4512525 is a barbed x cup adapter with a 2 1/2 in ID and 2 1/2 in pipe size, made of brass/copper. It uses an expansion PEX connection method and is manufactured by UPONOR under MPN LF4512525.
Where to buy the UPONOR LF4512525 worldwide?
3G Electric supplies the genuine UPONOR LF4512525 barbed fitting adapter worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive the correct expansion brass fitting for your plumbing project.
How to install the UPONOR expansion barbed fitting?
To install the UPONOR expansion barbed fitting, first expand the PEX tube end using an expansion tool, then insert the barbed adapter fully. The PEX contracts around the barb for a secure seal. Always follow UPONOR guidelines and local plumbing codes for proper installation.
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Common applications for UPONORUPONOR Products
3G Electric supplies UPONOR expansion brass 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 Fitting Adapter: 3 in ID x 3 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4513030). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F8b763218-8b68-40cc-8d26-7fe7ea12f180.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4505075). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F8b1628f2-a3b5-4d08-985e-30f417308851.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4512525). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F8a5584eb-6414-466c-a7aa-9c6d83c77b4c.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 3 in ID x 3 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4503030). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F83eec4b4-b34f-4174-99ea-fe764d7ac8e1.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4511313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F825cca0e-d1cb-4dbc-be1b-da140176ef89.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4501515). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F812ab304-93c8-4bd7-afb4-75203b94c140.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4571515). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F7edddf22-ecd5-43c1-918d-4ad9866dde95.jpg&w=200)