


Rothenberger - Standard expander head 42x1.5mm - 11042
€228,80 iva inclusa
2-4 business days
Free shipping with minimum order of €500
- Description
- Reviews
Features of the Rothenberger 42x1.5mm Expander Head
The standard Rothenberger 42x1.5mm expander head (item code 11042) is an essential component for plumbing and heating professionals. Specifically designed for expanding copper, aluminum, and mild steel pipes with a diameter of 42 mm and a thickness of 1.5 mm, this head stands out for its robustness and precision. Made of high-quality steel with specific heat treatment, it guarantees a long life even under intensive and frequent use.
Professional Applications
This expander head is used in numerous professional contexts, proving particularly effective for:
- Installation of residential and commercial plumbing systems
- Construction of heating and air conditioning systems
- Maintenance and repair of existing pipelines
- Creation of secure connections in industrial systems
- Renovation work requiring pipe modifications
Technical and Operational Advantages
Using the Rothenberger 42x1.5mm expander head offers numerous practical benefits:
- Precise and uniform pipe expansion for perfectly sealed joints
- Significant reduction in processing time compared to traditional methods
- Elimination of the need for additional fittings, resulting in cost savings
- Greater mechanical resistance at joint points
- Compatibility with Rothenberger manual and electric expanders
Detailed Technical Specifications
The Rothenberger 11042 expander head has the following specifications:
- Expansion diameter: 42 mm
- Compatible pipe thickness: 1.5 mm
- Material: special steel with heat treatment
- Quick-release coupling system compatible with Rothenberger expanders
- Weight: approximately 280 grams
- Anti-wear surface finish to reduce friction during expansion
Maintenance and Care of the Tool
To maintain the efficiency of the expander head over time, it is advisable to:
- Thoroughly clean the head after each use, removing material residues
- Periodically apply a thin layer of specific lubricant to the working surfaces
- Store the tool in its original case, protected from humidity and dust
- Regularly check the integrity of the expansion surfaces
- Replace the head in case of excessive wear or damage
Compatibility with other Rothenberger products
The 42x1.5mm expander head integrates perfectly with the entire ecosystem of Rothenberger tools, in particular with:
- Standard series manual expanders
- ROMAX electric expanders
- Modular expansion kits
- Pipe calibration systems













