UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass
The UPONOR Barbed Fitting Adapter (MPN LF4527575) is a brass expansion barbed tube fitting with a 3/4 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection method, as…
SKU 3G-OTH-468038
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4527575) is a brass expansion barbed tube fitting with a 3/4 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection method, as specified by the manufacturer.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4527575 used for?
The UPONOR Barbed Fitting Adapter LF4527575 connects 3/4 in PEX tubing to 3/4 in NPT threaded pipes in hydronic heating, plumbing, and radiant systems. Its brass expansion design provides a secure, leak-resistant joint for potable water and closed-loop applications.
What are the specifications of the UPONOR LF4527575 fitting?
The UPONOR LF4527575 is a brass barbed fitting adapter with a 3/4 in ID x 3/4 in Pipe Size, Barbed x NPT connection, and expansion PEX connection method. It is manufactured by UPONOR and is suitable for use with PEX-A tubing in residential and commercial systems.
Where to buy the UPONOR LF4527575 worldwide?
3G Electric supplies the UPONOR LF4527575 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 brass expansion fitting.
How to install the UPONOR expansion barbed fitting?
To install the UPONOR LF4527575, use an expansion tool to enlarge the PEX-A tubing end, then insert the barbed fitting fully. As the tubing contracts, it forms a tight seal around the brass adapter. Always follow UPONOR's instructions and use proper support rings for permanent connections.
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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)