Hydrotek HB8-B1-025 High-Efficiency Sensor Urinal Flush Valve (0.25 GPF)

The Hydrotek HB8-B1-025 is a high-performance, battery-operated flush valve engineered for maximum water conservation in modern commercial facilities. By delivering a precision-calibrated 0.25 GPF (0.9 LPF), this unit provides a 75% reduction in water usage compared to conventional 1.0 GPF valves. It is an ideal specification for projects targeting LEED credits, green building certifications, or any facility looking to drastically reduce utility costs without sacrificing the hygiene of the restroom environment.

Precision Engineering & Industrial Durability

• Heavy-Duty Brass Construction: Cast from high-copper, low-zinc brass to provide superior resistance to dezincification and ensure the valve maintains its structural integrity under the high-use conditions typical of commercial restrooms.
• Advanced Piston Mechanism: Features a superior, slow-closing piston flushing mechanism that guarantees consistent cycle times and accurate flush volumes, maintaining performance even during municipal water pressure fluctuations.
• Chemical-Resistant Elastomer Seals: Equipped with industrial-grade VSI silicone elastomer piston seals. These are specifically formulated to withstand the corrosive effects of chlorine, chloramines, and ammonia, which are frequently used in water treatment.
• Integrated Debris Filtration: Includes a standard self-cleaning filtering system that prevents waterborne sediment and mineral scale from entering the internal solenoid and piston, significantly extending the service life of the valve.

Advanced Operational Intelligence

• Battery-Powered Independence: Operates on four (4) standard AA alkaline batteries, making it the perfect choice for retrofits or new construction where hardwiring is not available. Includes an integrated low-battery indicator for proactive maintenance.
• Touchless ADA Compliance: The advanced infrared sensor offers a completely sanitary, "no-hands" experience. This ensures full compliance with ADA accessibility requirements while reducing the transfer of germs.
• Smart Self-Diagnostics: Features an integrated electronic system with self-diagnostics and a manual reset function to simplify troubleshooting and facility-wide management.
• Automated Hygiene (Sentinel Flush): Includes a built-in 36-hour sentinel flush feature to automatically activate the valve during periods of inactivity. This maintains the trap seal and prevents the entry of sewer gas odors into the facility.
• True Mechanical Override: Equipped with a standard manual-mechanical override button, ensuring the urinal remains fully functional and flushable even if the batteries are completely exhausted.

Technical Specifications & Installation

• Fixture Compatibility: Designed for exposed installation on 3/4" top spud urinal fixtures.
• Standard Connections: Includes a 3/4" I.P.S. angle stop valve with a vandal-resistant cap and a 3/4" top spud coupling.
• Operating Range: Functions effectively across a wide operational pressure range of 10–125 PSI.
• Field Adaptability: Features an adjustable tailpiece to accommodate field variations and is adaptable for left-hand rough-in configurations.

Shop at ProDryers: Achieve industry-leading water efficiency with a flushing solution built for the rigors of commercial use. Buy the Hydrotek HB8-B1-025 at ProDryers to secure the best market pricing, or request a best price quote for your high-traffic facility or renovation project today.