Introduction
This manual provides essential information for the safe and effective use of your LSE Lighting 64X57 UV Bulb. This 16-inch, 20W T6 Ultraviolet UV-C lamp is designed as a compatible replacement for Lennox UVO-1000, UVO3-1000, and UVO3-1023 UV air systems. Please read all instructions carefully before installation and operation.
Important Safety Warning: UV light can cause damage to eyes and skin. Avoid looking directly at the light. Wear protective eyewear and skin covering during installation and maintenance. Always disconnect power to the UV system before handling the bulb.

Image: Packaging of the LSE Lighting UV bulb, showing a warning label regarding UV light exposure.
Setup and Installation
The LSE Lighting 64X57 UV Bulb is designed for straightforward replacement in compatible Lennox UV air systems. Refer to your original equipment manufacturer (OEM) manual for specific installation procedures for your UVO-1000, UVO3-1000, or UVO3-1023 system.
- Power Disconnection: Ensure the power supply to the UV air system is completely disconnected before beginning any installation or maintenance.
- Protective Gear: Wear appropriate personal protective equipment, including UV-blocking eyewear and gloves, to prevent exposure to UV radiation and to handle the bulb safely.
- Old Bulb Removal: Carefully remove the old UV bulb from its socket, following the instructions in your system's OEM manual. Dispose of the old bulb according to local regulations for fluorescent lamps.
- New Bulb Installation: Gently insert the LSE Lighting 64X57 UV Bulb into the system's socket. The bulb features a 4-pin base and retaining ring for stable installation. Avoid touching the glass part of the bulb with bare hands; oils from your skin can reduce its lifespan. If touched, clean with a lint-free cloth and rubbing alcohol.
- Secure Connection: Ensure the bulb is securely seated in the socket and the retaining ring (if applicable) is properly engaged.
- Power Reconnection: Once the new bulb is securely installed, restore power to the UV air system.

Image: The LSE Lighting 64X57 UV Bulb, showing its tubular shape and 4-pin base for connection.
Operating Instructions
The LSE Lighting 64X57 UV Bulb operates automatically once installed in a compatible Lennox UV air system and power is supplied. The bulb emits 254nm UV-C light, which is effective for air purification within the system.
- Automatic Operation: The UV bulb will activate when the air system is operational, providing continuous UV-C exposure to the air passing through the system.
- Indicator Light: Many UV air systems include an indicator light to confirm the UV bulb is functioning. Consult your system's OEM manual to locate and understand this indicator.
- Optimal Performance: For optimal performance, ensure the air system's filters are regularly cleaned or replaced as recommended by the system manufacturer.

Image: The LSE Lighting UV bulb shown against a sky background, highlighting its UVC 254NM wavelength emission.
Maintenance
Regular maintenance ensures the longevity and effectiveness of your UV bulb.
- Bulb Lifespan: The LSE Lighting 64X57 UV Bulb is rated for 12,000 hours of reliable UV performance. It is recommended to replace the bulb annually, even if it appears to be working, as its UV-C output diminishes over time.
- Cleaning: Periodically, and always before replacement, inspect the bulb for dust or debris accumulation. If cleaning is necessary, ensure the power is disconnected, wear gloves, and gently wipe the bulb with a clean, lint-free cloth dampened with rubbing alcohol. Allow the bulb to dry completely before restoring power.
- Disposal: UV bulbs contain small amounts of mercury and should be disposed of according to local hazardous waste regulations. Do not dispose of in regular household trash.
Troubleshooting
If your LSE Lighting 64X57 UV Bulb is not functioning as expected, consider the following:
- Bulb Not Lighting:
- Check if the power supply to the UV system is connected and active.
- Ensure the bulb is correctly seated in its socket and the 4-pin connection is secure.
- Inspect the bulb for any visible damage, such as cracks or broken filaments.
- If the bulb is older than 12 months, it may have reached the end of its effective lifespan and requires replacement.
- Consult your Lennox UV air system's OEM manual for specific troubleshooting steps related to the system's ballast or electrical components.
- Reduced Effectiveness:
- A dirty bulb can reduce UV-C output. Follow cleaning instructions in the Maintenance section.
- The bulb's UV-C output naturally decreases over its lifespan. If the bulb is nearing or past its 12,000-hour rating, replacement is recommended.
Specifications
| Brand | LSE Lighting |
| Model Name | LSE-64X57UVC254 |
| Compatible Systems | Lennox UVO-1000, UVO3-1000, UVO3-1023 |
| Wattage | 20 Watts |
| Light Source Wattage | 20 Watts |
| Shape | Tubular (T6 style) |
| Material | Quartz Glass |
| Product Dimensions | 16 x 1 x 1 inches |
| Item Weight | 6.2 ounces |
| UV Wavelength | 254nm (UV-C) |
| Rated Lifespan | 12,000 hours |
| EPA Registration | EPA Est. No. 96823-PA-1 |

Image: United States Environmental Protection Agency (EPA) logo with Establishment Number 96823-PA-1.
Warranty Information
This LSE Lighting UV bulb comes with a 1-year warranty. For warranty claims or detailed information, please refer to the contact information provided by the manufacturer or your point of purchase.
Support
For further assistance, technical support, or inquiries regarding your LSE Lighting 64X57 UV Bulb, please contact LSE Lighting customer service. Contact details can typically be found on the product packaging or the official LSE Lighting website.
You may also refer to the original Lennox UV air system manual for system-specific support.
About LSE Lighting
LSE Lighting is a manufacturer of UV light technology. The company emphasizes quality assurance and adherence to standards, including EPA registration (Est. No. 96823-PA-1).
Video: An overview of LSE Lighting's manufacturing processes and commitment to UV light technology for air, surface, and water sterilization.