Weldy Leister Wide Slot Nozzle 40 mm

Weldy Leister Wide Slot Nozzle 40 mm – Precise Hot Air for Professional Welding

The Weldy wide slot nozzle 40 mm is an accessory for Leister heat guns. It produces a broad, uniform hot air stream, ideal for welding plastic sheets, tarpaulins, and waterproofing membranes. Designed for tasks requiring large-area heating.

• 40 mm slot width ensures even heat distribution over wide surfaces – perfect for seam welding of ponds, roofing, or industrial films.
• Compatible with common Leister heat guns such as the Leister Triac or Leister Electron – simple tool-free exchange.
• Robust metal construction guarantees durability on daily job sites and withstands high temperatures.
• Lightweight design at only 69 g reduces strain on the tool and enables fatigue-free extended use.
• 24 months manufacturer warranty provides investment security for professional tool accessories.

What sets the Weldy wide slot nozzle apart

Compared to round nozzles or spot welding tips, the wide slot nozzle allows efficient broad heating without repeated passes. The uniform air exit velocity reduces the risk of overheating or uneven weld seams. The straight design is especially suitable for straight welds on films and sheets.

Ideal for...

This nozzle addresses professional plastic welders, roofers, pond builders, and craftsmen in sealing technology. It is the right choice when you regularly weld wide plastic sheets or films and require consistent weld quality.

How to use the wide slot nozzle

Slide the nozzle onto the heat gun and tighten the union nut. Set the desired temperature and air speed on the tool – typically between 300 and 600 °C depending on the plastic. Guide the nozzle evenly along the seam without pressing. After use, allow the nozzle to cool before removing and cleaning.