Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ZURN Barbed Fitting Coupling: 1 41/64 in ID x 1 1/2 in Pipe Size, Polymer - Expansion Rings for Barbed Tube Fittings
ZURNExpansion Rings for Barbed Tube Fittings

ZURN Barbed Fitting Coupling: 1 41/64 in ID x 1 1/2 in Pipe Size, Polymer

The ZURN Barbed Fitting Coupling (MPN QER7X) is a polymer expansion ring for barbed tube fittings, designed for 1 41/64 in ID x 1 1/2 in Pipe Size connections. It uses an expansion PEX connection method, as specified…

SKU 3G-OTH-485732

Brand
ZURN
Item
Barbed Fitting Coupling: 1 41/64 in ID x 1 1/2 in Pipe Size, Polymer
Category
Expansion Rings for Barbed Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ZURN
Manufacturer Part Number
QER7X
Type
Polymer, Expansion
[New] - PEX Connection Method
Expansion
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The ZURN Barbed Fitting Coupling (MPN QER7X) is a polymer expansion ring for barbed tube fittings, designed for 1 41/64 in ID x 1 1/2 in Pipe Size connections. It uses an expansion PEX connection method, as specified by the OEM. 3G Electric sources this genuine ZURN component across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the ZURN Barbed Fitting Coupling QER7X used for?

The ZURN QER7X is a polymer expansion ring for barbed tube fittings, used to create secure PEX connections in plumbing and hydronic heating systems. It is designed for 1 41/64 in ID x 1 1/2 in Pipe Size applications, ensuring leak-free joints in residential and commercial water supply lines.

What are the specifications of the ZURN QER7X coupling?

The ZURN QER7X is a polymer expansion ring coupling with a 1 41/64 in ID and 1 1/2 in Pipe Size. It uses the expansion PEX connection method as specified by ZURN. This component is sourced by 3G Electric, which provides genuine ZURN parts across 14 industrial departments.

Where to buy the ZURN QER7X expansion ring worldwide?

3G Electric supplies the ZURN QER7X expansion ring to customers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this genuine ZURN component and deliver it to your location, ensuring accurate order fulfillment for your plumbing or heating project.

How to install the ZURN QER7X expansion ring?

To install the ZURN QER7X, use an expansion tool to expand the polymer ring and PEX tubing, then insert the fitting and allow the ring to contract for a tight seal. Follow ZURN's instructions for proper expansion depth and tool settings. 3G Electric can provide technical support for sourcing the correct components.

Used in

Common applications for ZURN
Commercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from ZURN

View all ZURN parts
ZURN Barbed Fitting Coupling: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER3X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.
ZURN
ZURN Barbed Fitting Coupling: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER3X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.
ZURN Barbed Fitting Coupling: 7/8 in ID x 7/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER4X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.
ZURN
ZURN Barbed Fitting Coupling: 7/8 in ID x 7/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER4X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.
ZURN Barbed Fitting Coupling: 1 25/64 in ID x 1 1/4 in Pipe Size, Polymer, Expansion (MPN QER6X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN
ZURN Barbed Fitting Coupling: 1 25/64 in ID x 1 1/4 in Pipe Size, Polymer, Expansion (MPN QER6X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN Barbed Fitting Coupling: 31/64 in ID x 3/8 in Pipe Size, Polymer, Expansion (MPN QER2X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN
ZURN Barbed Fitting Coupling: 31/64 in ID x 3/8 in Pipe Size, Polymer, Expansion (MPN QER2X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN Barbed Fitting Coupling: 2 5/32 in ID x 2 in Pipe Size, Polymer, Expansion (MPN QER8X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN
ZURN Barbed Fitting Coupling: 2 5/32 in ID x 2 in Pipe Size, Polymer, Expansion (MPN QER8X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN.
ZURN Barbed Fitting Coupling: 1 1/8 in ID x 1 1/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER5X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.
ZURN
ZURN Barbed Fitting Coupling: 1 1/8 in ID x 1 1/8 in ID Size, Barbed x Barbed, PEX, Expansion (MPN QER5X). Key specifications — [New] - PEX Connection Method: Expansion; Brand: ZURN; Connection Type: Barbed x Barbed.