1. Product Overview
The Westgate 10W 4-inch Adjustable LED Retrofit Downlight is an energy-efficient lighting solution designed for both commercial and residential applications. This downlight features a spun aluminum housing with an integrated smooth trim and a premium white powder coating, ensuring effective thermal management and a sleek appearance. It includes a robust, high-efficiency isolated driver operating at 120VAC.
This fixture is dimmable, compatible with most LED dimmers, allowing for adjustable lighting moods. It is engineered for high luminous efficiency, long life (up to 36,000 hours), and minimized flicker. The design allows for easy installation, often within 60 seconds, without the need for special tools. The light is adjustable, tilting up to 45 degrees, and can be rotated post-installation for precise alignment.
Certifications include Energy Star, RoHS Compliance, and UL Listing, ensuring safety and efficiency. It is also rated for damp locations, Title 24 compliant, and features a Color Rendering Index (CRI) of 90.
2. Safety Information
WARNING: To reduce the risk of fire, electric shock, or injury to persons, read and follow all instructions carefully.
CAUTION: LED RETROFIT LUMINAIRE CONVERSION FOR USE ONLY WITH PRODUCTS DESCRIBED AND INSTALLED IN ACCORDANCE WITH THE INSTRUCTIONS PROVIDED WITH THIS RETROFIT KIT. SUITABLE FOR DAMP LOCATIONS.
- Always turn off power at the circuit breaker before installation, removal, or servicing.
- Ensure the supply voltage is 120V AC.
- Do not modify or alter the fixture. Any modifications may void the warranty and create safety hazards.
- This product is suitable for damp locations. Do not use in areas where it will be directly exposed to water.
- Maximum ambient temperature for operation is 104°F (40°C).

Image: Rear view of the Westgate LED Retrofit Downlight showing the wiring, E-26 adapter connection, and a caution label regarding proper installation and damp location suitability.
3. Package Contents
Verify that all components are present before beginning installation:
- 1 x Westgate 10W 4-inch Adjustable LED Retrofit Downlight
- 1 x E-26 Screw-in Adaptor

Image: Packaging for the Westgate 4-inch LED Retrofit Kit, indicating it is fully dimmable and includes part number RDL4-ADJ-27K (similar to RDL4-ADJ-PRT).
4. Specifications
| Feature | Specification |
|---|---|
| Brand | Westgate |
| Model Number | RDL4-ADJ-PRT |
| Wattage | 10 Watts |
| Voltage | 120V AC |
| Brightness | 650 Lumens |
| Color Temperature | 2700 Kelvin (Warm White) |
| Dimmable | Yes |
| Material | Aluminum Housing, Acrylic Lens |
| Certifications | Energy Star Qualified, UL Listed, RoHS Compliant, Title 24 Compliant |
| Lifetime | Up to 36,000 hours |
| Damp Location Rated | Yes |
| Adjustability | Tilts to 45°, Rotatable |
| CRI | 90 |

Image: The Westgate LED Retrofit Downlight alongside icons indicating its features and certifications, including 5-year warranty, high lumen output, damp location rating, Energy Star, 90 CRI, dimmable, Title 24, RoHS, UL Listed, 60-second install, accessories included, and no tools required.

Image: Top-down view of the Westgate LED Retrofit Downlight, highlighting its 4-inch diameter.
5. Setup and Installation
This retrofit downlight is designed for quick and easy installation into existing 4-inch, 5-inch, or 6-inch recessed housings. No tools are typically required.
- Turn Off Power: Before starting, ensure the power to the recessed lighting fixture is turned off at the circuit breaker to prevent electrical shock.
- Remove Existing Fixture: Carefully remove the existing bulb and trim from the recessed housing.
- Install E-26 Adaptor: Screw the provided E-26 screw-in adaptor into the existing E-26 socket within the recessed housing.
- Connect Downlight: Connect the male connector from the LED retrofit downlight to the female connector of the E-26 adaptor. Ensure a secure connection.
- Insert into Housing: Gently push the LED retrofit downlight into the recessed housing. The spring clips on the side of the downlight will secure it in place. The adjustable bracket can accommodate 5-inch and 6-inch housings.
- Adjust Alignment: Once installed, the light can be tilted up to 45 degrees and rotated to achieve the desired lighting angle and alignment.
- Restore Power: Turn the power back on at the circuit breaker.
6. Operating Instructions
The Westgate LED Retrofit Downlight operates immediately upon power restoration after installation.
- Dimming Function: This downlight is fully dimmable and compatible with most standard LED dimmers. Use a compatible dimmer switch to adjust the light output from 100% down to a lower level, creating the desired ambiance.
- Adjustable Light Direction: The fixture can be tilted up to 45 degrees and rotated within its housing to direct light precisely where needed. Adjust by gently pushing or pulling the light cone and rotating the trim.

Image: Illustration demonstrating the dimmable capability of the LED bulb, compatible with electronic LED dimmers, shown with varying light intensity patterns in a room setting.
7. Maintenance
The Westgate LED Retrofit Downlight requires minimal maintenance.
- Cleaning: Ensure power is off before cleaning. Wipe the fixture with a soft, dry, or slightly damp cloth. Do not use harsh chemicals or abrasive cleaners, as these can damage the finish or electrical components.
- No User-Serviceable Parts: The LED light source is integrated and not user-replaceable. Do not attempt to disassemble the fixture.
8. Troubleshooting
If you encounter issues with your LED retrofit downlight, refer to the following common troubleshooting steps:
- Light Does Not Turn On:
- Check that the power switch is in the ON position.
- Verify that the circuit breaker for the fixture is not tripped.
- Ensure all electrical connections (E-26 adaptor and downlight connector) are secure.
- Light Flickers or Dims Incorrectly:
- Confirm that you are using an LED-compatible dimmer switch. Incompatible dimmers can cause flickering or poor dimming performance.
- Ensure the dimmer switch is properly installed and wired.
- Light Output is Low:
- Check if the dimmer is set to its maximum brightness.
- Verify that the fixture is receiving full 120V AC power.
9. Warranty and Support
Westgate provides a 5-year warranty for this LED Retrofit Downlight. This warranty covers defects in materials and workmanship under normal use. For warranty claims or technical support, please contact Westgate MFG directly.
Manufacturer: Westgate MFG

Image: Graphic highlighting Westgate's 5-year unlimited warranty, 24/7 customer care, and 'Based in the USA' origin.