
Smart, Reliable Water Level Monitoring for Commercial Appliances
The Water Level Logic Board from Kitchen Brains® is an intelligent, solid-state solution for monitoring and controlling water levels in commercial kitchen appliances. Designed as an intermediate control board, it can function as a standalone unit or integrate seamlessly as a module within OEM control systems. Using conductivity probes to sense water presence, it replaces traditional mechanical float switches, eliminating common failure points caused by mineral buildup or mechanical fatigue. This compact, easy-to-integrate design provides precise and reliable feedback for rethermalizers, combi ovens, holding cabinets, steam tables, and water baths.
Appliance Applications:
- Rethermalizers
- Combi Ovens
- Holding Cabinets
- Steam Tables
- Water Baths
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Features That Improve Performance
- Monitors up to four conductivity probes placed at varying tank heights
- AC signal injection minimizes electrode polarization and degradation
- Four digital outputs for real-time process controller integration
- Solid-state logic differentiates between air and liquid presence
- Compact form factor allows for flexible installation as a standalone or OEM module
- Power Input: 24V AC or DC operation for broad compatibility
- Enhanced sensitivity for low-conductivity (pure water) applications
- Resistant to electrical interference and stray EMF noise
- Operates in high-humidity environments up to 158°F (70°C), 90% RH (non-condensing)
Built to Solve Real-World Challenges
Eliminate Mechanical Failures
Replaces traditional float switches prone to mineral buildup and corrosion, reducing downtime and maintenance costs.
Reliable Solid-State Logic
Accurately detects water level changes using impedance differences, no moving parts, no wear, no drift.
Streamline Integration
Compact design and digital outputs allow seamless incorporation into new or existing OEM control platforms.
Ensure Process Consistency
Supports real-time logic control and feedback, ensuring optimal water levels for consistent cooking and holding performance.
Operates in Tough Conditions
Designed for high-temperature, humid commercial environments where reliability is critical.
Frequently Asked Questions
Water Level Logic Board
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What does the Water Level Logic Board do?
The Water Level Logic Board intelligently monitors and controls water levels in commercial kitchen appliances such as rethermalizers, combi ovens, holding cabinets, steam tables, and water baths. It uses conductivity probes instead of mechanical float switches, providing more reliable and maintenance-free performance.
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How does it improve reliability compared to float switches?
Unlike traditional float switches that can fail due to mineral buildup or mechanical wear, the Water Level Logic Board uses solid-state logic and electronic sensing. This design eliminates moving parts, reduces maintenance costs, and ensures long-term reliability in high-temperature, high-humidity environments.
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Can the Water Level Logic Board integrate with my existing control system?
Yes. The board can function as a standalone unit or integrate seamlessly with OEM control systems. It provides up to four probe inputs and four digital outputs, allowing for flexible configuration and real-time communication with your appliance’s process controller.
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Is the Water Level Logic Board compatible with low-conductivity or purified water?
Yes. The board is engineered with enhanced sensitivity to detect water levels in low-conductivity applications, such as systems using purified or deionized water. This ensures accurate performance across a wide range of water qualities.
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How easy is installation and setup?
The compact design and flexible power options (24V AC or DC) make installation straightforward. It can be mounted as a standalone board or incorporated into OEM systems with minimal wiring, providing a quick and reliable upgrade from traditional float-based designs.
Specifications
Mechanical
- Maximum Ambient Temperature: 158°F (70°C)Relative Humidity: 90% max. (non-condensing)
- Approximate Weight: 5 oz
Electrical
- Power Input: 24V AC/DC
- Inputs: 4 Conductivity Probe Inputs (AC)
- Outputs: 4 Digital Outputs (for process controller)

