FPS-B Series (HVAC/R) Liquid Level Sensor
The FPS-B Series is a bracket-mounted flood prevention switch designed for HVAC/R systems. Engineered for reliability and ease of installation, this sensor automatically shuts off air conditioning systems when water levels rise due to clogged condensate drains—preventing costly damage to floors, walls, and ceilings.
Its compact design includes a custom bracket that clips securely onto primary or auxiliary drain pans, making it ideal for both residential and commercial HVAC installations. The FPS-B Series complies with UL508, NEC, and IMC standards, ensuring dependable performance and regulatory compliance.
Standards and Certifications
- Bracket-mounted design for quick and secure installation
- Automatically shuts off HVAC systems to prevent water overflow
- Simple to install and easy to service for fast maintenance
- Ideal for use with primary or auxiliary condensate drain pans
- UL508, NEC, and IMC compliant for safety and code adherence
- Reliable operation in both residential and commercial environments
| Contact Form | 1A (SPST) Normally Open (N.O.) |
| Rated Power Max. | 50VA/200VDC/1.5A |
| Float/Housing Material | PP/PP |
- Residential HVAC Systems: Flood prevention in air conditioning units
- Commercial HVAC Systems: Protection for ceiling-mounted and ducted systems
- Facility Maintenance: Preventative control in building management systems
- Smart Home Integration: Automated shutoff for water level monitoring
- Retrofit Projects: Easy upgrade for existing HVAC installations
- New Construction: Code-compliant solution for condensate management