UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x NPT
The UPONOR Barbed Fitting Adapter (SKU 820M74, MPN LF4522525) is an expansion brass barbed tube fitting with a 2 1/2 in ID x 2 1/2 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection…
SKU 3G-OTH-468022
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Product Description
The UPONOR Barbed Fitting Adapter (SKU 820M74, MPN LF4522525) is an expansion brass barbed tube fitting with a 2 1/2 in ID x 2 1/2 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection method and is made of brass.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4522525 used for?
The UPONOR Barbed Fitting Adapter LF4522525 connects PEX tubing to NPT-threaded pipes in hydronic heating, plumbing, and radiant systems. Its expansion PEX connection method ensures a secure, leak-resistant joint. 3G Electric supplies this brass adapter for industrial and commercial installations worldwide.
What are the specifications of the UPONOR LF4522525?
The UPONOR LF4522525 is a brass barbed fitting adapter with a 2 1/2 in ID x 2 1/2 in pipe size and a Barbed x NPT connection type. It uses the expansion PEX connection method. 3G Electric sources this genuine UPONOR part for global delivery.
Where to buy the UPONOR LF4522525 worldwide?
3G Electric supplies the UPONOR LF4522525 barbed fitting adapter 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 brass fitting.
How to install the UPONOR expansion brass barbed fitting?
Install the UPONOR LF4522525 by expanding the PEX tube end with an expansion tool, then inserting the barbed adapter before the tube contracts. Ensure the NPT threads are sealed with tape or compound. 3G Electric provides this fitting for professional plumbing and heating systems.
Used in
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: 3/4 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4577510). 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%2Fd01a3668-c171-40ca-b95d-d926c3742e1f.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522020). 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%2Fc95802ac-153d-42d3-9287-a9679e6a59a0.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4502020). 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%2Fc8dd4044-daa5-485f-8731-b3324e10ab96.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4512020). 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%2Fc5aef166-d79e-4442-a909-841591c373be.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4511010). 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%2Fc42793cc-53ad-48ba-8066-ac4bcf4cdf8d.jpg&w=200)