Hydrotek HB8SLE-R05D Automatic Solar-Powered Flush Valve Retrofit Kit (0.5 GPF Urinal)

The Hydrotek HB8SLE-R05D is an ultra-high-efficiency, sensor-activated retrofit kit specifically engineered to modernize manual Delany urinal flush valves with sustainable solar power. By upgrading to this advanced 0.5 GPF (1.9 LPF) system, facility managers can achieve a 50% reduction in water consumption compared to standard 1.0 GPF fixtures. Combining ambient light harvesting with Hydrotek’s industry-leading piston technology, the HB8SLE-R05D offers an eco-friendly, low-maintenance solution for achieving touchless hygiene and ADA compliance without a full fixture replacement.

Sustainable Solar Energy Harvesting & Reliability

• Ambient Light Power System: The HB8SLE-R05D utilizes integrated solar panels designed to harvest energy from both natural and artificial indoor light. This energy is stored in a long-life internal capacitor, providing a reliable power source that operates independently of the building’s electrical grid.
• Redundant Battery Backup: To ensure 100% operational uptime in low-light environments or during periods of facility inactivity, the system includes a redundant battery backup. This dual-power architecture ensures the sensor and solenoid remain fully functional regardless of lighting conditions.
• Minimal Maintenance Lifecycle: By utilizing ambient light as its primary power source, the system drastically extends the life of the backup batteries, significantly reducing maintenance labor costs and the environmental impact of disposable battery waste.

Professional-Grade Engineering & Delany Integration

• Precision Delany Compatibility: The "D" designation confirms this kit is custom-tailored for a seamless mechanical fit with Delany brand manual urinal flush valves. This allows for a rapid "top-down" installation that preserves the existing heavy-duty brass valve body while introducing advanced electronic control.
• Ultra-High Efficiency Water Conservation: At 0.5 GPF, this kit is an essential component for facilities aiming to reduce utility overhead, meet strict regional water mandates, or achieve LEED and other green building certifications.
• Touchless ADA Compliance: Replacing manual handles with a high-performance infrared sensor provides a 100% hands-free experience. This fulfills ADA accessibility requirements and eliminates a primary surface for cross-contamination in high-traffic commercial environments.
• Industrial Piston Reliability: Hydrotek’s proprietary industrial-grade piston technology ensures a precise flush volume regardless of water pressure fluctuations. The piston mechanism is highly resistant to mineral buildup and debris, outperforming traditional diaphragm kits in both longevity and maintenance intervals.

Advanced Sensor & Hygiene Features

• True Mechanical Manual Override: For maximum reliability, the HB8SLE-R05D includes a standard manual-mechanical override button. This ensures the urinal remains fully functional for users even in the absence of light or power, preventing fixture downtime.
• Automated Hygiene (Sentinel) Flush: To maintain facility freshness and prevent sewer gases from entering the building, the integrated electronics feature a built-in 24-hour sentinel flush. If the fixture is not used for a full day, the system automatically triggers a flush to maintain the trap seal.
• VSI Silicone Elastomer Seals: The internal components feature industrial-grade silicone seals that are highly resistant to chloramines and other aggressive water treatment chemicals, preventing common leak points and ensuring long-term performance.

Technical Specifications & Performance

• Application: Solar-Powered Retrofit Kit for manual Delany Urinal Valves.
• Fixture Type: Urinal.
• Flush Volume: Ultra-High Efficiency 0.5 GPF (1.9 LPF).
• Power Source: Solar-Powered with Battery Backup (Ambient Light Harvesting).
• Operating Pressure: Reliable performance across a pressure range of 10–125 PSI.

Shop at ProDryers: Modernize your Delany urinal fixtures with the ultimate in sustainable, sensor-activated reliability and water efficiency. Buy the Hydrotek HB8SLE-R05D at ProDryers to secure the best market pricing, or request a best price quote for your high-efficiency commercial renovation or multi-unit facility upgrade today.

Download the Spec Sheet