Introduction
This manual provides essential information for the installation, operation, and maintenance of your Delta Lenta Touchless Kitchen Faucet, Model 19802TLZ-BL-DST. This faucet combines modern design with advanced technology, offering touchless and touch-activated water control, a pull-down sprayer with ShieldSpray Technology, and a TempSense LED light for water temperature indication. Please read these instructions thoroughly before installation and use to ensure proper function and longevity of your product.
Key Features
- Touchless Activation: Turn water on and off by placing your hand within 4 inches of the faucet surface, promoting hygiene and reducing mess.
- Touch2O Technology: Tap anywhere on the spout or handle for water activation.
- ShieldSpray Technology: A concentrated jet powers away stubborn messes while a protective shield of water contains splatter, reducing mess and scrubbing time.
- TempSense LED Light: Changes color to indicate water temperature, preventing discomfort or surprises.
- MagnaTite Docking: A powerful integrated magnet securely holds the pull-down spray wand in place when not in use.
- DIAMOND Seal Technology: Features a patented design that reduces leak points and ensures leak-free operation for the life of the faucet.
- Corrosion-Resistant Finish: Engineered for durability and tested to exceed industry standards for corrosion resistance.
- Flexible Installation: Designed for single-hole installations and includes an optional deck plate for 1 or 3-hole 8-inch center installations.
Setup and Installation
The Delta Lenta Touchless Kitchen Faucet is designed for straightforward installation. It can be installed in a single-hole configuration or with the included optional deck plate for 1 or 3-hole 8-inch center installations. A gasket seal helps prevent leaks under the sink.
Included Components:
- Faucet assembly
- Handle
- Optional Escutcheon (deck plate)
- Supply Lines
- Mounting Hardware
Dimensions and Requirements:
- Height: 16.75 inches
- Spout Reach: 9.13 inches
- Minimum Clearance to Backsplash: 2.5 inches
- Hole Size: 1.31-1.5 inches
- Water Supply Connection: 3/8 inch

Image: Faucet dimensions and installation hole requirements, including height, spout reach, and optional deck plate details.
For detailed step-by-step installation instructions, please refer to the comprehensive guide included in your product packaging. It is recommended to consult a qualified plumber if you are unsure about any part of the installation process.

Image: Visual representation of 1-hole and 3-hole installation options.

Image: Illustration showing the faucet is battery powered with an optional AC adapter available.
Operating Instructions
Water Activation:
- Touchless Activation: Simply place your hand within 4 inches of the faucet surface to turn the water on or off. This feature helps maintain a clean faucet by avoiding direct contact.
- Touch Activation: Tap anywhere on the faucet's spout or handle to activate or deactivate the water flow.
- Standard Handle Activation: Use the single lever handle for manual control of water flow and temperature, just like a traditional faucet.

Image: Demonstrates touchless activation by placing a hand near the faucet and shows the TempSense LED light indicating water temperature.

Image: Illustrates both touchless activation (hand near spout) and touch activation (touching the spout) for water control.

Image: Icon representing the touchless wave hand activation feature.
Pull-Down Sprayer and Spray Modes:
The faucet features a pull-down spray wand with a 20-inch hose for extended reach and flexibility. It offers multiple spray modes for various tasks.
- Stream Mode: Provides a steady, aerated stream for everyday tasks like filling pots.
- Spray Mode: Delivers a powerful spray for rinsing and cleaning.
- ShieldSpray Technology: Activates a concentrated jet within a protective sphere of water to clean tough messes with minimal splatter.

Image: Comparison of the faucet's spray and stream modes, demonstrating the effectiveness of ShieldSpray Technology.

Image: Illustrates the pull-down sprayer with its 20-inch hose and 360-degree swivel capability.
MagnaTite Docking:
After use, the pull-down spray wand is securely held in place by MagnaTite Docking, an integrated magnet that ensures the wand stays docked when not in use.

Image: Close-up view of the MagnaTite Docking system, showing the magnetic connection that secures the spray wand.

Image: Icon representing the MagnaTite Docking feature.
Official Product Video:
Video: Official product video demonstrating the features and operation of the Delta Lenta Touchless Kitchen Faucet (Model 19802TLZ-BL-DST).
Maintenance
Proper maintenance ensures the longevity and optimal performance of your Delta Lenta Touchless Kitchen Faucet.
Cleaning:
- Clean the faucet regularly with a soft cloth and mild soap.
- Avoid abrasive cleaners, harsh chemicals, or scouring pads, as these can damage the finish.
- The Touch-Clean spray holes allow for easy removal of mineral buildup with a simple wipe.
Durability Features:
Your Delta Lenta faucet is built with features designed for lasting performance:
- DIAMOND Seal Technology: This patented technology uses diamond-embedded ceramic discs to eliminate wear on seals, ensuring leak-free operation for twice as long as the industry standard.
- Corrosion-Resistant Finish: The Matte Black finish is engineered to resist corrosion and tarnishing, maintaining its appearance over time.

Image: Exploded view showing the internal components, including the DIAMOND Valve and InnoFlex PEX supply lines, which contribute to the faucet's extended lifespan.

Image: Icon highlighting the DIAMOND Seal Technology, indicating a lifespan twice as long as the industry standard.
Troubleshooting
If you encounter any issues with your Delta Lenta Touchless Kitchen Faucet, consider the following common solutions:
- No Water Flow / Intermittent Flow: Check the water supply lines for kinks or blockages. Ensure the faucet's power source (batteries or optional AC adapter) is functioning correctly. Replace batteries if necessary.
- Touchless Sensor Issues: Ensure the sensor area is clean and free from obstructions. Excessive light or reflective surfaces near the sensor can sometimes affect performance.
- Low Water Pressure: Check the aerator for mineral buildup and clean if necessary. Verify that the water supply valves are fully open.
- Leaking: Confirm all connections are tight. If leaks persist, refer to the detailed installation guide or contact customer support.
- Spray Wand Not Retracting Fully: Ensure the weight on the hose under the sink is positioned correctly and not obstructed.
For more complex issues or if troubleshooting steps do not resolve the problem, please refer to the comprehensive troubleshooting guide included with your product or contact Delta Faucet customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | DELTA |
| Model Name | Lenta™ |
| Model Number | 19802TLZ-BL-DST |
| Recommended Uses | Kitchen |
| Mounting Type | Deck Mount |
| Finish Type | Matte Black |
| Material | Metal (Handle: Zinc) |
| Number of Handles | 1 |
| Hole Count | 1 (or 3 with escutcheon) |
| Special Feature | 360 Swivel, Pull Down Sprayer |
| Valve Type | Disc Valve |
| Handle Type | Sensor |
| Installation Method | Single Hole |
| Item Dimensions (D x W x H) | 11.5"D x 10.75"W x 16.75"H |
| UPC | 195205148180 |
| GTIN | 195205148180 |
Warranty and Support
Delta Faucet Company stands behind the quality of its products.
Warranty Information:
- Lifetime Limited Warranty: Delta kitchen faucets are backed by a Lifetime Limited Warranty, ensuring peace of mind regarding manufacturing defects and functionality.
- Limited Electronic Faucet 5-year Limited Warranty: Electronic components of the faucet are covered by a 5-year limited warranty.
For complete warranty details, please refer to the documentation included with your product or visit the official Delta Faucet website.
Customer Support:
If you require assistance with installation, operation, troubleshooting, or warranty claims, please contact Delta Faucet customer support. Contact information can typically be found on the Delta Faucet website or in your product's packaging.







