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0365803015 - ESAB Blue Female Quick Connector 6.3mm for Water Cooling

Packaging: pack of 1
$89.39/EA $56.73/pack of 1 only $56.73/EASave 37%

Usually ships within 3-5 business days

OVERVIEW

Reliable Connections for Your Water-Cooled Setup

If you are running a water-cooled TIG or MIG setup, you know that a leak is more than just an annoyance—it can shut down your whole operation. The ESAB Quick-Coupling Female Blue 6.3mm is the genuine replacement part you need to keep your coolant flowing exactly where it needs to go. Designed to fit ESAB water coolers and welding machines, this connector provides a snappy, secure click that lets you know your lines are locked in and ready for high-amperage welding.

Why Color-Coding Matters
In the heat of setting up a job, it is easy to mix up hoses. ESAB makes it simple with this blue-collared connector. In the welding world, blue typically signifies your cold water supply line (going from the cooler to the torch). By matching your blue hose to this blue female coupler, you ensure your torch gets the fresh coolant it needs to keep the power cable from melting down. No more guessing, and no more frying expensive torches because of a crossed line.

Built for the Shop
Plastic fittings from the hardware store just don't cut it in a welding shop. This coupling is built to handle the wear and tear of daily use. Whether you are swapping out torches for different jobs or disconnecting your rig for transport, the quick-release mechanism is smooth and durable. It seals tight every time, preventing those messy puddles on the shop floor and keeping your coolant level where it should be. Upgrade your old, dripping connections with this fresh coupler and weld with confidence knowing your cooling system is secure.

Installation and Compatibility
This 6.3mm female coupling is a standard size for many ESAB machines. It is designed to be easily installed on your machine's front panel or water cooler unit. Simply check your existing fittings to confirm the size and color match. Keeping a spare set of quick couplers in your toolbox is a pro move—it saves you from being dead in the water when a connector finally wears out after years of service.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Product Type:Quick Coupling
Gender:Female
Color:Blue
Size:6.3 mm
Application:Water Cooling Systems, Gas Connections
Material:Brass, Plastic

INCLUDED

  • 1 x ESAB Quick-Coupling Female (Blue, 6.3mm)

APPLICATIONS

  • Connecting water supply hoses to welding power sources
  • Interfacing water coolers with TIG and MIG torches
  • Replacement of worn or leaking panel-mount sockets
  • General fluid and gas line connections in industrial environments
  • Compatible with various ESAB welding systems requiring 6.3mm fittings

FAQ

In welding systems, blue typically indicates the cold water or coolant supply line coming from the water cooler to the torch. Red is usually used for the warm water return.

This coupling has a nominal size of 6.3mm, which is a standard profile for many ESAB welding gas and water connections.

This is the female part of the connection (the socket), which typically accepts the male probe or plug found on the hose end.

While the physical connection might fit, it is critical to follow color-coding standards. Blue is for water. Gas connections are typically black or sometimes red depending on the region. Using the wrong color can lead to dangerous cross-connections.

Yes, female quick couplings of this type generally include an internal check valve that shuts off the flow when the male connector is removed to prevent coolant spills.

Yes, this is a genuine ESAB part with SKU 0365803015, ensuring perfect compatibility with your ESAB equipment.

Installation depends on your specific machine, but it is typically threaded into a bulkhead or panel mount on the water cooler or power source.

It fits any machine using the standard 6.3mm quick-connect profile, but we recommend verifying the specific dimensions and thread pitch of your equipment before purchasing.