UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPT, Brass
The UPONOR Barbed Fitting Adapter (MPN LF4577510) is a brass expansion-type barbed x NPT tube fitting for 3/4 in ID x 1 in Pipe Size connections. It uses an expansion PEX connection method and is supplied by 3G…
SKU 3G-OTH-468035
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4577510) is a brass expansion-type barbed x NPT tube fitting for 3/4 in ID x 1 in Pipe Size connections. It uses an expansion PEX connection method and is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand across 14 departments—including plumbing—with specialist depth in combustion, pumps and controls.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4577510 used for?
The UPONOR Barbed Fitting Adapter LF4577510 connects 3/4 in ID PEX tubing to a 1 in NPT threaded port in plumbing systems. It uses an expansion PEX connection method for a secure, leak-resistant joint in potable water and hydronic heating applications.
What are the specifications of the UPONOR LF4577510?
The UPONOR LF4577510 is a brass barbed x NPT adapter with a 3/4 in ID PEX connection and 1 in pipe size. It uses the expansion PEX connection method. The manufacturer part number is LF4577510, and it is supplied by 3G Electric.
Where to buy the UPONOR LF4577510 worldwide?
3G Electric supplies the UPONOR LF4577510 barbed fitting adapter to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this expansion brass fitting to your location, regardless of country.
How to install the UPONOR expansion barbed fitting?
Install the UPONOR expansion barbed fitting by first expanding the PEX tube end with an expansion tool, then inserting the barbed adapter fully. The PEX contracts around the barb for a tight seal. Always follow manufacturer guidelines for proper expansion and connection.
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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: 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)
![UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4521010). 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%2Fc347938a-fa58-4b34-aa20-18bf0dc3f216.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522525). 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%2Fbe0bfac3-14f6-45bd-9eff-ad87ae0c679f.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4575075). 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%2Fbcce97d5-3696-4f40-a20f-69789b5adf27.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 LFP4502525). 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%2Fba792bfe-7b96-4ca6-8cf0-6aa76a3b98a5.jpg&w=200)