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ZURN QER4X Expansion Ring for Barbed Tube Fittings, PEX, 7/8 in ID - Expansion Rings for Barbed Tube Fittings
ZURNExpansion Rings for Barbed Tube Fittings

ZURN QER4X Expansion Ring for Barbed Tube Fittings, PEX, 7/8 in ID

The ZURN Barbed Fitting Coupling (MPN QER4X) is a barbed x barbed, PEX expansion coupling with a 7/8 in ID x 7/8 in ID size. It uses an expansion connection method for PEX tubing.

SKU 3G-OTH-485730

Brand
ZURN
Item
QER4X Expansion Ring for Barbed Tube Fittings, PEX, 7/8 in ID
Part Number
QER4X
Category
Expansion Rings for Barbed Tube Fittings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

ZURN
Manufacturer Part Number
QER4X
Type
Barbed x Barbed, PEX, Expansion
Connection Type
Barbed x Barbed

Technical Documents

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ZURN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN Barbed Fitting Coupling (MPN QER4X) is a barbed x barbed, PEX expansion coupling with a 7/8 in ID x 7/8 in ID size. It uses an expansion connection method for PEX tubing.

Frequently Asked Questions

What is the ZURN QER4X barbed fitting coupling used for?

The ZURN QER4X coupling connects two PEX tubes of the same size using an expansion method. It is a barbed x barbed fitting with a 7/8 in ID on each side, commonly used in residential and commercial plumbing systems for reliable, leak-resistant joints.

What are the specifications of the ZURN QER4X coupling?

The ZURN QER4X is a barbed x barbed PEX expansion coupling with a 7/8 in ID x 7/8 in ID size. It uses an expansion connection method and is manufactured by ZURN. The part number is QER4X, and it is designed for PEX tubing systems.

Where to buy the ZURN QER4X coupling worldwide?

3G Electric supplies the ZURN QER4X coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine ZURN components and support procurement across 14 departments.

How to install the ZURN QER4X barbed fitting coupling?

Install the ZURN QER4X coupling by expanding the PEX tube end with an expansion tool, then inserting the barbed fitting. As the tube contracts, it forms a tight seal around the barb. Always follow the manufacturer's instructions and use compatible PEX tubing for best results.

Used in

Common applications for ZURN
Commercial roofing — Zurn Z100-3NH, Z100-6NH, and ZC100-4NH-C-R primary roof drains for flat or low-slope roof rainwater removal
Commercial restrooms — Zurn Metroflush® ZEMS6203-WS1.0004 automatic urinal flush valve with sensor activation and 1 gpf rating
Institutional shower facilities — Zurn Temp Gard Z7000-HW16-H7 handheld showerhead with hose, bracket, and slide bar
Plumbing drain access — Zurn Z1474-SDO and Z1474-4-N cast-iron cleanout housings for floor-level inspection and rodding
Concrete deck drainage — Zurn ZC100-4NH-C-R roof drain with underdeck clamp for secure installation in concrete decks
Waste line maintenance — Zurn CO2521-4 cleanout housing with adjusting screws for level adjustment in finished floors
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ZURN Products

3G Electric supplies ZURN expansion rings for 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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