ZURN Barbed Fitting Coupling: 1 in ID x 1 in ID Size, Barbed x Barbed, Brass
The ZURN Barbed Fitting Coupling (MPN QQC55GX) is a brass crimp-on barbed tube fitting with a 1 in ID x 1 in ID size and a Barbed x Barbed connection type. It uses a crimp PEX connection method, making it suitable…
SKU 3G-OTH-473690
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Product Description
The ZURN Barbed Fitting Coupling (MPN QQC55GX) is a brass crimp-on barbed tube fitting with a 1 in ID x 1 in ID size and a Barbed x Barbed connection type. It uses a crimp PEX connection method, making it suitable for joining PEX tubing in plumbing systems.
Frequently Asked Questions
What is the ZURN Barbed Fitting Coupling QQC55GX used for?
The ZURN QQC55GX is a brass barbed coupling used to join two lengths of PEX tubing in residential and commercial plumbing systems. Its 1 in ID x 1 in ID size and crimp connection method provide a secure, leak-resistant joint for potable water and hydronic heating applications.
What are the specifications of the ZURN QQC55GX coupling?
The ZURN QQC55GX is a brass barbed coupling with a 1 in ID x 1 in ID size and Barbed x Barbed connection type. It uses a crimp PEX connection method, making it suitable for standard PEX tubing. The manufacturer part number is QQC55GX.
Where to buy ZURN QQC55GX worldwide?
3G Electric supplies the ZURN QQC55GX barbed coupling 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 crimp fitting.
How to install a ZURN barbed coupling on PEX tubing?
To install the ZURN QQC55GX, cut the PEX tubing square, slide a crimp ring over the tube end, insert the barbed coupling fully, position the ring over the barb, and compress it with a PEX crimp tool. Always follow local plumbing codes and manufacturer instructions for a reliable joint.
Used in
Common applications for ZURNZURN Products
3G Electric supplies ZURN crimp-on 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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