UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x NPT, Brass
The UPONOR Barbed Fitting Adapter (MPN LF4572020) is an expansion brass barbed tube fitting with a 2 in ID x 2 in Pipe Size and a Barbed x NPT connection type. It uses the expansion PEX connection method, as…
SKU 3G-OTH-467950
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4572020) is an expansion brass barbed tube fitting with a 2 in ID x 2 in Pipe Size and a Barbed x NPT connection type. It uses the expansion PEX connection method, as specified by the manufacturer.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4572020 used for?
The UPONOR Barbed Fitting Adapter LF4572020 connects 2 in PEX tubing to NPT threaded ports in plumbing and hydronic heating systems. Its expansion brass construction provides a reliable, leak-resistant joint for potable water and radiant heating applications.
What are the specifications of the UPONOR LF4572020?
The UPONOR LF4572020 is a barbed x NPT adapter with a 2 in ID x 2 in pipe size, made of brass. It uses the expansion PEX connection method. The manufacturer part number is LF4572020.
Where to buy the UPONOR LF4572020 in worldwide?
3G Electric supplies the UPONOR LF4572020 barbed fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this expansion brass fitting.
How to install the UPONOR LF4572020 expansion fitting?
Install the UPONOR LF4572020 by expanding the PEX tube end with an expansion tool, then inserting the barbed adapter before the tube contracts. Follow the manufacturer's instructions for proper expansion depth and ensure the NPT threads are sealed with tape or compound.
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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.


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![UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4571515). 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%2F7edddf22-ecd5-43c1-918d-4ad9866dde95.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x Cup, Brass/Copper (MPN LF4501515). 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%2F7ecb2db5-a251-4ba8-83fc-4ac4c5e8bd69.jpg&w=200)
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![UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4501515). 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%2F74eeab74-ffc9-4e40-b970-b1eb69ea5b3e.jpg&w=200)