UPONOR Barbed Fitting Adapter: 1 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass
The UPONOR Barbed Fitting Adapter (MPN LF4521075) is a brass expansion-type barbed x NPT tube fitting designed for 1 in ID x 3/4 in pipe size connections. It uses an expansion PEX connection method and is supplied by…
SKU 3G-OTH-467916
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4521075) is a brass expansion-type barbed x NPT tube fitting designed for 1 in ID x 3/4 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 and delivers genuine equipment across 14 industrial departments, with specialist depth in combustion, pumps and controls.
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 LF4521075 used for?
The UPONOR Barbed Fitting Adapter LF4521075 connects 1 in ID PEX tubing to 3/4 in NPT threaded pipe in plumbing and hydronic heating systems. Its brass expansion design provides a secure, leak-resistant joint for potable water and radiant heating applications.
What are the specifications of the UPONOR LF4521075?
The UPONOR LF4521075 is a brass barbed x NPT adapter with 1 in ID x 3/4 in pipe size. It uses an expansion PEX connection method. The manufacturer part number is LF4521075, and the connection type is barbed x NPT.
Where to buy the UPONOR LF4521075 worldwide?
3G Electric supplies the UPONOR LF4521075 barbed fitting adapter to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine UPONOR components to your facility, regardless of location.
How to install the UPONOR expansion barbed fitting?
Install the UPONOR expansion fitting by sliding a PEX expansion ring onto the tubing, then expanding the PEX end with an expansion tool. Insert the barbed adapter fully and allow the PEX to contract around the barbs. Follow UPONOR's published instructions for proper seating and pressure testing.
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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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