UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Cup, Brass/Copper
The UPONOR Barbed Fitting Adapter (MPN LF4517575) is an expansion brass barbed tube fitting with a 3/4 in ID x 3/4 in Pipe Size, featuring a Barbed x Cup connection type and a PEX connection method of Expansion. 3G…
SKU 3G-OTH-467908
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4517575) is an expansion brass barbed tube fitting with a 3/4 in ID x 3/4 in Pipe Size, featuring a Barbed x Cup connection type and a PEX connection method of Expansion. 3G Electric interprets this demand and delivers this genuine industrial fitting across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4517575 used for?
The UPONOR Barbed Fitting Adapter LF4517575 connects PEX tubing to copper or brass piping systems in hydronic heating, plumbing, and radiant floor installations. Its 3/4 in ID x 3/4 in Pipe Size barbed x cup design provides a secure, leak-resistant joint for expansion PEX connections.
What are the specifications of the UPONOR LF4517575?
The UPONOR LF4517575 is a barbed x cup adapter with a 3/4 in ID x 3/4 in Pipe Size, made of brass/copper. It uses an expansion PEX connection method and is manufactured by UPONOR under MPN LF4517575. This fitting is suitable for potable water and hydronic systems.
Where to buy the UPONOR LF4517575 worldwide?
3G Electric supplies the genuine UPONOR LF4517575 barbed fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this fitting across 14 departments, including specialist expertise in pumps and controls.
How to install the UPONOR expansion barbed fitting?
Install the UPONOR LF4517575 by expanding the PEX tube end with an expansion tool, then inserting the barbed adapter before the tube contracts. Ensure the cup connection is fully seated and use a ring or clamp per manufacturer guidelines. Always follow local plumbing codes for pressure and temperature limits.
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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.


![UPONOR Barbed Fitting Adapter: 1/2 in ID x 1/2 in Pipe Size, Barbed, Brass, Expansion (MPN LF2865050). 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%2Fa1af37bf-9db7-4010-a0ab-a7cf7f848901.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4512020). 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%2F987d8b3c-8f3a-44f2-a6ba-5f2a792826a8.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 3/4 in ID x 1/2 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4517550). 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%2F97cbd476-c212-426d-8031-a107230664a2.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1/2 in ID x 1/2 in Pipe Size, Barbed, Brass, Expansion (MPN LF2885050). 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%2F91340696-d4a3-48fe-a134-c1d912d4e442.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 LF4521515). 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%2F8d750e8f-d9d0-45a3-8de8-c70cea71ed56.jpg&w=200)
![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)