Lefoo 2000 - 2025
Lefoo 2000 - 2025
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Refrigeration Steam & Boiler Pressure Switch

Engineered for demanding thermal applications, LEFOO's specialized pressure switches deliver reliable safety cut-off and process control in refrigeration circuits, steam systems, and hot water boilers. Built to withstand extreme temperatures, vibration, and corrosive media, they ensure operational safety, efficiency, and compliance in commercial and industrial systems.

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Engineered for Critical Roles in Temperature & Pressure Systems

  • Commercial Refrigeration & HVAC-R Systems

    • Refrigerant Pressure Safety: Provides high and low-pressure cut-out control for compressors in supermarket racks, cold rooms, and industrial chillers, preventing costly system failures and ensuring safe operation.

    • Condenser Fan Control & Pump Down Cycles: Automates fan staging for efficiency and manages pump-down sequences, a key component for energy-efficient operation and controlled shutdowns in commercial HVAC-R equipment.

  • Steam & High-Temperature Hot Water (HTHW) Systems

    • Boiler Safety & Burner Control: Acts as a critical high-limit or operating control in commercial boilers for steam generation and hydronic heating, ensuring safe pressure levels and automatic burner shut-off.

    • Steam Trap Monitoring & Process Control: Monitors pressure differentials across steam traps or supplies for sterilization autoclaves, humidification systems, and industrial process equipment, safeguarding both safety and process integrity.


Securing Profits in a Specialized, High-Compliance Market

Securing Profits in a Specialized, High-Compliance Market
Access to Specification-Driven, Less Price-Sensitive Projects

These switches are often specified by consulting engineers for safety-critical functions in plans and tenders. This moves competition away from pure price and towards approved brands, certifications, and technical reliability, protecting your margins and building project-based sales pipelines.

Meeting Industry-Specific Certifications & Standards

Our products are designed to meet relevant standards for target applications (e.g., pressure vessel directives, UL/CE safety marks). This reduces your liability risk and simplifies the specification process for your customers (OEMs, contractors), making you a trusted source for compliant components.

Building Recurring Revenue with Planned Replacement

As critical safety components, they are part of mandatory annual maintenance and inspection cycles for boilers and refrigeration systems. This creates a predictable, recurring MRO replacement business with facility management companies, service contractors, and plant engineering departments.

Technical Partnership & OEM Customization Authority

By partnering with LEFOO, you gain support for complex technical queries. We offer OEM-level customization—such as specific set points, special fittings (NPT, SAE), contact materials, and approvals—enabling you to become the single-source supplier for equipment manufacturers in this niche.

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