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Lixil INAX Lixil 155mm: The Ultimate Guide to Pricing, Installation & Best Deals

Lixil INAX Lixil 155mm represents a premium wall-mounted mixing valve engineered for precise temperature control and long-term durability in both residential and commercial sett...

Mara Ellison Aug 08, 2026
Lixil INAX Lixil 155mm: The Ultimate Guide to Pricing, Installation & Best Deals

Lixil INAX Lixil 155mm represents a premium wall-mounted mixing valve engineered for precise temperature control and long-term durability in both residential and commercial settings.

Designed to meet strict safety standards, this unit helps prevent scalding while maintaining stable water temperature, making it a reliable choice for modern bathrooms and accessible facilities.

Model Temperature Range Pressure Range Certifications Key Feature
Lixil INAX Lixil 155mm 30–60°C adjustable 0.1–1.0 MPa EN 1111, CE, JIS S 1201 Thermostatic stability ±1°C
Standard mixing valve 30–55°C 0.15–0.8 MPa EN 1111, CE Quick-install bracket
High-end thermostatic valve 35–65°C 0.2–1.2 MPa EN 1111, CSA, JIS Child-safe lock

Technical Specifications and Performance

The Lixil INAX Lixil 155mm combines high-grade materials with advanced fluid engineering to deliver safe and comfortable water delivery.

Its precise internal cartridge responds quickly to fluctuations in hot and cold pressure, ensuring consistent outlet temperature even when other fixtures are used simultaneously.

Compact dimensions and clear labeling simplify installation and maintenance for plumbers and facilities managers.

Installation Guidelines and Best Practices

Proper installation is essential to maintain the safety and performance of the Lixil INAX Lixil 155mm across different building types.

  • Verify inlet pressures match the valve’s rated range before mounting.
  • Use compatible mounting brackets and ensure secure wall fixation.
  • Route pipes to minimize abrupt bends that could create turbulence.
  • Test temperature and pressure settings at commissioning and schedule periodic checks.

Maintenance and Long-Term Reliability

Routine maintenance helps preserve the accuracy of the thermostatic element and extends the service life of the unit.

Periodic inspection for limescale, debris, and seal wear supports consistent performance and reduces the risk of temperature drift.

Comparisons and Specification Highlights

When selecting a mixing valve, understanding how key specs align with project requirements can streamline decision-making.

Specification Lixil INAX Lixil 155mm Standard Model A High-Safety Model B
Temperature accuracy ±1°C ±2°C ±0.5°C
Pressure tolerance 0.1–1.0 MPa 0.15–0.8 MPa 0.2–1.2 MPa
Flow capacity Up to 6 L/min Up to 5 L/min Up to 7 L/min
Safety certifications EN 1111, CE, JIS S 1201 EN 1111, CE EN 1111, CSA, JIS

Design Integration and Practical Considerations

The Lixil INAX Lixil 155mm blends technical performance with clean aesthetics that fit seamlessly into contemporary building designs.

Its intuitive controls and clear visual indicators make it accessible for users with diverse needs, supporting inclusive environments.

Coordinating with plumbing designers early in the project helps optimize layout, pressure balancing, and compliance with local regulations.

  • Confirm pressure and temperature requirements with stakeholders.
  • Select appropriate trim and finish to match interior design language.
  • Plan commissioning tests to validate settings under real usage.
  • Document maintenance intervals and keep service records for compliance.

FAQ

Reader questions

Is the Lixil INAX Lixil 155mm suitable for healthcare facilities?

Yes, its precise temperature control and safety certifications make it well suited for clinics and hospitals where stable, scald-safe water is essential.

Can this valve be installed in retrofit projects?

Yes, it supports standard plumbing connections and comes with clear installation instructions, allowing it to be integrated into most existing systems with minor adjustments.

How does the thermostatic stability perform during simultaneous showers and taps usage? The built-in compensating mechanism maintains consistent outlet temperature even when other fixtures draw water, reducing the risk of sudden temperature changes. What maintenance schedule does the manufacturer recommend?

Inspect every six months for debris and check seals and cartridge performance; annual professional servicing helps ensure long-term accuracy and safety.

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