UPONOR Barbed Tee: 1 1/4 in ID x 1 1/4 in ID x 1 in ID Size
The UPONOR Barbed Tee (MPN Q4751331) is an expansion polymer barbed tube fitting with a Barbed x Barbed x Barbed x Barbed connection type, sized at 1 1/4 in ID x 1 1/4 in ID x 1 in ID. It uses an expansion PEX…
SKU 3G-OTH-474097
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Product Description
The UPONOR Barbed Tee (MPN Q4751331) is an expansion polymer barbed tube fitting with a Barbed x Barbed x Barbed x Barbed connection type, sized at 1 1/4 in ID x 1 1/4 in ID x 1 in ID. It uses an expansion PEX connection method, supplied by UPONOR. 3G Electric interprets customer demand and delivers this fitting across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is the UPONOR Barbed Tee Q4751331 used for?
The UPONOR Barbed Tee Q4751331 is used to create branch connections in PEX plumbing and hydronic heating systems. Its barbed x barbed x barbed x barbed design joins three pipes of 1 1/4 in and 1 in ID, using an expansion connection method for a secure, leak-resistant fit.
What are the specifications of the UPONOR Barbed Tee Q4751331?
The UPONOR Barbed Tee Q4751331 has a 1 1/4 in ID x 1 1/4 in ID x 1 in ID size, with a Barbed x Barbed x Barbed x Barbed connection type. It uses an expansion PEX connection method and is made of polymer. The manufacturer part number is Q4751331.
Where to buy the UPONOR Barbed Tee Q4751331 worldwide?
3G Electric supplies the UPONOR Barbed Tee Q4751331 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this expansion polymer barbed tube fitting for your PEX system.
How to install the UPONOR Barbed Tee Q4751331?
To install the UPONOR Barbed Tee Q4751331, use an expansion tool to enlarge the PEX tube ends, then insert them over the barbs. The polymer fitting contracts to form a tight seal. Follow UPONOR's guidelines for proper expansion depth and ensure clean, square cuts for reliable connections.
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Common applications for UPONORUPONOR Products
3G Electric supplies UPONOR expansion polymer 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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