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Pack of ten copper welding nozzles, size 4, lava material

Miller Enterprises

Miller Enterprises 13N14 Nozzle PK10 Welding

SKU CH-E8CA-F2SW3

Pack of ten lava nozzles fitting many TIG torch models with a .5 in maximum electrode diameter

  • TypeWelding Supplies
  • Compatible with multiple torch series for versatile use
  • Pack of 10 nozzles ensures extended supply
  • Lava material withstands high welding temperatures
  • Fits maximum 0.5 inch electrode diameter
  • Standard nominal size 4 fits common torches

Miller 13N14 Nozzle Pack — TIG Consumables

This pack contains ten Miller 13N14 lava nozzles designed for TIG torches. They fit a wide range of Miller and Weldcraft models including Series 9, 20, 22 and 25 torches. The nozzles accept electrodes up to 0.5 inch diameter. Welders running compatible air-cooled or water-cooled torches use these as direct replacements.

Installation — Thread-On Fit And Common Issues

Each nozzle threads onto the torch head by hand; no tools are required for a secure seat. The most common issue is cross-threading when the nozzle is started at an angle, which damages the torch insulator. Another frequent problem is using a nozzle bore that is too large for the electrode, causing gas turbulence and porosity.

Sustained Use — Heat Resistance And Wear

Lava material withstands the continuous heat of extended TIG welding cycles without cracking like ceramic can. The bore maintains its shape over long runs, keeping shielding gas coverage consistent. Periodic inspection is still needed because spatter buildup gradually restricts gas flow and degrades weld quality.

Highlights

  • Compatible with multiple torch series for versatile use
  • Pack of 10 nozzles ensures extended supply
  • Lava material withstands high welding temperatures
  • Fits maximum 0.5 inch electrode diameter
  • Standard nominal size 4 fits common torches

Specifications

BrandMILLER ELECTRIC
TypeWelding Supplies

Questions about this item

How do I verify the 13N14 nozzle is working correctly after installation?

Confirm the nozzle fits securely on compatible torches such as WP-9 or WP-20 series and that gas flows evenly around a .5 in maximum electrode during a test weld.

What comes in the PK10 package and what must be purchased separately?

The box contains ten 13N14 lava nozzles; a compatible TIG torch, collet, collet body and shielding gas supply are not included.

Which nozzle size should I choose for my torch model?

Select the 13N14 size 4 nozzle when using any listed torch such as WP-9, WP-20, HW-25 or PTA-9 series that specifies a size 4 lava nozzle.

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