Description
The Leister 110V Weld Kit is a professional hot air welding solution designed for demanding flooring, plastic welding and membrane applications. Built around the Swiss-made Leister TRIAC ST, it combines precise temperature control, a lightweight ergonomic design and interchangeable nozzle compatibility for professional welding work.
The TRIAC ST provides a 40°C to 700°C temperature range, allowing users to adjust heat according to the material and application. Leister’s current technical specifications also list a maximum airflow of 240 l/min, a 0.99 kg tool weight excluding the power cable and a 31.5 mm nozzle connection.
The tool is designed for professional applications including plastic welding, membrane welding, shrinking and forming thermoplastics.
Leister TRIAC ST 110V Hot Air Welding Gun
The Leister TRIAC ST is a compact and lightweight professional hot air tool designed for controlled welding applications.
Its ergonomic design makes it easier to handle during prolonged work, while its adjustable temperature allows the operator to select an appropriate heat setting for the material being worked on.
Leister specifies the TRIAC ST at 40°C–700°C, with stepless temperature adjustment and airflow of up to 240 l/min. The current manufacturer specification lists the tool at approximately 0.99 kg without the power cable, helping make it practical for professional site work.
Key specifications
| Specification | Leister TRIAC ST |
|---|---|
| Temperature range | 40°C–700°C |
| Airflow | Up to 240 l/min |
| Weight | Approx. 0.99 kg excluding cable |
| Nozzle connection | 31.5 mm / 1.25 in |
| Temperature control | Stepless |
| Power | Model-dependent; current TRIAC ST variants include 1500–1600W |
| Origin | Switzerland |
Leister’s current product documentation confirms that TRIAC ST variants are available in different voltage configurations, including 120V and 230V, so the exact electrical specification should be checked against the particular 110V version supplied.
Key Features of the Leister 110V Weld Kit
Adjustable Temperature Control
The TRIAC ST offers stepless temperature adjustment up to 700°C, providing control for different hot air welding applications.
Lightweight Ergonomic Design
At approximately 0.99 kg excluding the power cable, the TRIAC ST is designed to provide good handling without adding unnecessary weight. Leister highlights its ergonomic grip and balanced design for easier operation.
Interchangeable Nozzles
The TRIAC ST has a 31.5 mm nozzle connection and can be configured with a wide range of compatible nozzles for different welding applications.
This is particularly useful when a project requires different welding techniques or material profiles.
Easy-to-Clean Air Filters
The TRIAC ST incorporates removable air filters designed to make cleaning straightforward and help maintain the air supply required for operation.
Protection Features
Leister’s documentation describes protection features including carbon brush wear protection and heating element protection, helping protect the tool during professional use.
What Can the Leister 110V Weld Kit Be Used For?
The Leister TRIAC ST is a versatile hot air welding tool suitable for a range of professional applications.
Plastic Welding
The TRIAC ST can be used for professional welding, shrinking and forming of compatible thermoplastics.
Roof Membrane Welding
Leister specifically identifies the TRIAC ST as suitable for welding plastic membranes and roofing applications when used with the appropriate nozzle and welding setup.
Flooring Applications
For flooring professionals, Leister’s TRIAC ST platform is used in welding systems for resilient floor coverings including PVC/vinyl, PUR, CV and LVT, as well as linoleum and rubber in appropriate applications.
Fabric and Thermoplastic Applications
The tool can also be used for suitable thermoplastic fabrication and welding applications where the correct temperature, nozzle and welding technique are required.
Leister Nozzle Compatibility
The right Leister nozzle can make a significant difference to the welding process.
Different nozzles are designed for different applications, including:
- Speed welding
- Wide-slot welding
- Tubular welding
- Specialist welding profiles
Leister’s documentation lists multiple nozzle options compatible with the TRIAC ST, including wide-slot and speed-welding nozzles.
Need a replacement or additional Leister nozzle?
Browse the Leister Nozzle and Flooring Accessories range.
The current UK Flooring Supplies Online accessories listing includes a Std Leister Nozzle and Nozzle Speedwell 4 5mm, alongside the Leister 110V Weld Kit.
Leister 110V Weld Kit vs Standard Hot Air Gun
A professional hot air welding tool is designed for controlled welding applications rather than general-purpose DIY heating.
The TRIAC ST provides:
- Precise adjustable temperature
- Professional welding capability
- Interchangeable nozzle compatibility
- Lightweight ergonomic handling
- High airflow
- Protection features
- Compatibility with specialist welding accessories
This makes it a more appropriate choice for professional flooring and thermoplastic welding applications where consistent heat and controlled airflow are important.
Is the Leister 110V Weld Kit Supplied With Nozzles?
The supplied product information states that nozzles are not included with this version of the kit.
This is important when purchasing.
If you already have compatible nozzles, the tool can be configured for your application. If you need a nozzle as well, you can purchase a suitable Leister nozzle separately.
Leister provides a wide range of interchangeable nozzle options for the TRIAC ST platform.
Before ordering accessories, check the nozzle type and connection required for your particular application.
Why Choose a Leister TRIAC ST?
The TRIAC ST is designed for professional users who need a compact, controllable and versatile hot air welding tool.
Key benefits include:
- 40°C–700°C temperature range
- Lightweight design
- Stepless temperature adjustment
- Up to 240 l/min airflow
- Interchangeable nozzles
- Ergonomic handle
- Removable/cleanable air filters
- Protection features
- Swiss-made Leister engineering
- Suitable for a broad range of thermoplastic applications
Leister describes the TRIAC ST as a robust and versatile hot air tool for welding plastic membranes and for shrinking and moulding thermoplastics.
Who Is the Leister 110V Weld Kit For?
This product is particularly relevant to:
- Flooring contractors
- Commercial flooring installers
- Vinyl flooring installers
- LVT flooring professionals
- Plastic welders
- Roofing contractors
- Membrane installers
- Fabricators
- Maintenance professionals
- Specialist trade users
For flooring professionals, the TRIAC ST can be particularly useful when working with compatible resilient floor coverings and welding applications.
Buy the Leister 110V Weld Kit Online
Looking for a professional Leister welder for sale?
The Leister 110V Weld Kit Nett is currently listed by UK Flooring Supplies Online at £530 ex VAT.
If you need a professional hot air welding tool for flooring, plastic or membrane applications, the TRIAC ST provides adjustable temperature, lightweight handling and compatibility with a range of specialist nozzles.
Frequently Asked Questions
What is a Leister TRIAC ST used for?
The Leister TRIAC ST is a professional hot air tool used for applications including plastic welding, membrane welding, shrinking and forming thermoplastics. It can also be used with suitable accessories for welding compatible resilient flooring materials.
What temperature does the Leister TRIAC ST reach?
The current Leister specification gives the TRIAC ST a temperature range of 40°C to 700°C, with stepless temperature adjustment.
What is a Leister nozzle used for?
A Leister nozzle directs and shapes the hot air for a particular welding application. Different nozzle designs are available for applications such as speed welding, wide-slot welding and tubular welding.
Are nozzles included with the Leister 110V Weld Kit?
According to the supplied product information, nozzles are not included with this version. Compatible nozzles can be purchased separately.
Is the Leister TRIAC ST suitable for flooring?
Yes. Leister identifies TRIAC ST-based floor welding systems for compatible resilient floor coverings including PVC/vinyl, PUR, CV and LVT, as well as linoleum and rubber. The correct nozzle and welding setup should be selected for the flooring material.
Is the Leister TRIAC ST suitable for roof membranes?
The TRIAC ST is designed for welding suitable plastic membranes and is documented by Leister for roofing applications when used with the appropriate nozzle and technique.
What voltage is the Leister TRIAC ST available in?
Leister produces TRIAC ST versions in multiple voltage configurations, including 120V and 230V variants. The exact electrical specification should be checked against the product being supplied.
How much does the Leister 110V Weld Kit cost?
The UK Flooring Supplies Online listing currently shows the Leister 110V Weld Kit Nett at £530 ex VAT.
Is the Leister TRIAC ST lightweight?
Yes. Leister lists the TRIAC ST at approximately 0.99 kg excluding the power cable, with an ergonomically designed handle
