🟣Manufactured by LSE Lighting – A Trusted Name in Air and Water Technology – Registered with the United States Environmental Protection Agency (EPA), Establishment Number 96823-PA-1 🟣The Y0391 UV Replacement Lamp is a high-performance 41-watt ultraviolet (UVC) bulb meticulously engineered for use with Lennox Climate UVC-41W-S and UVC-41W-D systems. Designed and quality-tested in the USA, this replacement lamp is your first line of in reliability, and energy efficiency. Utilizing low-pressure mercury vapor quartz technology, the Y0391 emits a focused 254nm wavelength This helps reduce the circulation of particulates and in your indoor air, promoting fresher environment. 🟣Unlike standard replacement bulbs that degrade quickly or underperform, the Y0391 is designed for continuous high-output operation. Its robust internal components and premium quartz glass envelope allow it to achieve a rated service life of up to 12,000 hours, making it ideal for year-round residential or light commercial use. With plug-and-play compatibility, the Y0391 installs seamlessly into your existing Lennox UVC system without modifications—no rewiring, no tools, no hassle. 🟣Key Features and Technical Specifications Feature Description Model: Y0391 Lamp Type: UVC Replacement Bulb Wattage: 41 Watts UVC Output Wavelength: 254nm (Germicidal) Base Type: 4-pin, single-ended Compatibility: Lennox UVC-41W-S and UVC-41W-D Systems Rated Lifespan: Up to 12,000 hours Material: Pure fused quartz glass Design Origin: Engineered in the USA Certifications: RoHS Compliant, CE Certified Dimensions: Approx. 17.2” (length) × 1.1” (diameter) Operating Temperature Range: 5°C to 40°C (41°F to 104°F) 🟣 Compatibility This lamp is an OEM-grade alternative that delivers superior results when used with: Lennox Climate UVC-41W-S Lennox Climate UVC-41W-D It may also be compatible with other UVC air systems requiring a 41W 4-pin bulb with a 254nm output. Please verify size and model before ordering. 🟣 Eco-Friendly & Safe The Y0391 is RoHS compliant and constructed with low-mercury content, ensuring a safer footprint for both indoor use and the environment. Its recyclable design supports your green living goals while still providing uncompromising air. 🟣 Ideal Applications Whole-home HVAC UV air systems Air quality upgrades for homes, offices, or light commercial buildings High-traffic areas prone to buildup (basements, attics, shared HVAC systems) 🟣 Installation & Safety Notice Always disconnect power to your HVAC system before installing or replacing any UV lamp. Avoid direct exposure to the UV light when energized. UVC radiation can be harmful to skin and eyes. Replace the bulb annually or per manufacturer’s recommendation to maintain peak performance. 🟣 Breathe Healthier. Live Smarter. Trust Y0391. Whether you're replacing a burned-out bulb or upgrading your home's air strategy, the Y0391 UV Replacement Lamp from LSE Lighting offers the durability, performance, and peace of mind you can count on. Order yours today and take a powerful step toward cleaner, healthier air. The Y0391 UV Replacement Lamp is a high-performance 41-watt ultraviolet (UVC) bulb meticulously engineered for use with Lennox UVC-41W-S and UVC-41W-D systems. Designed and quality-tested in the USA, this replacement lamp is your first line of defense in reliability, and energy efficiency. Utilizing low-pressure mercury vapor quartz technology, the Y0391 emits a focused 254nm wavelength This helps the circulation of particulates and in your indoor air environment. Unlike standard replacement bulbs that degrade quickly or underperform, the Y0391 is designed for continuous high-output operation. Its robust internal components and premium quartz glass envelope allow it to achieve a rated service life of up to 12,000 hours, making it ideal for year-round residential or light commercial use. With plug-and-play compatibility, the Y0391 installs seamlessly into your existing Lennox UVC system without modifications—no rewiring, no tools, no hassle. Key Features and Technical Specifications Feature Description Model: Y0391 Lamp Type: UVC Replacement Bulb Wattage: 41 Watts UVC Output Wavelength: 254nm Base Type: 4-pin, single-ended Compatibility: Lennox UVC-41W-S and UVC-41W-D Systems Rated Lifespan: Up to 12,000 hours Material: Pure fused quartz glass Design Origin: Engineered in the USA Certifications: RoHS Compliant, CE Certified Dimensions: Approx. 17.2” (length) × 1.1” (diameter) Operating Temperature Range: 5°C to 40°C (41°F to 104°F) Compatibility This lamp is an OEM-grade alternative that delivers superior results when used with: Lennox Climate UVC-41W-S Lennox Climate UVC-41W-D It may also be compatible with other UVC air systems requiring a 41W 4-pin bulb with a 254nm output. Please verify size and model before ordering. Eco-Friendly & Safe The Y0391 is RoHS compliant and constructed with low-mercury content, ensuring a safer footprint for both indoor use and the environment. Its recycla