Lennox X8149 UVA Air Filtration System Lamp works with the following models:

PureAir PCO-12C
PureAir PCO-20C

Lennox X8794 UV Lamp for Pure Air Filter Systems is designed to fit the following models:

Lennox PureAir PCO20-28
Lennox PureAir PCO16-28
Lennox PureAir PCO14-23

The Lennox Y0391 UV Filtration Lamp Replacement is a replacement UV filter lamp for the Lennox UVC 41W-S and UVC 41W-D Healthy Climate UVC Germicidal Light air cleaners. The UVC041W-S requires only one replacement bulb, while the UVC 41W-D model requires two replacement bulbs. The Lennox Y0391 is a 41 watt bulb and measures 16" in length. Replace this ultraviolet lamp once a year to achieve optimal results from your Healthy Climate system.

Lennox 64x37 is the correct replacement for the following lamps:

Lennox UVO-1000 Healthy Climate UV Ozone Lamp
Lennox UV03-500 Healthy Climate UV Ozone Lamp
Lennox UVO3-523 Healthy Climate UV Ozone Lamp

Lennox 64X36 is the correct replacement UV lamp for the following air purification systems:

Lennox Healthy Climate UV-500 Germicide Lamp Systems
Lennox Healthy Climate UV-523 Germicide Lamp Systems

Lennox 64X56 is the correct replacement UV lamp for the following systems:

Lennox UV-1000
Lennox UV-1023
Lennox UV-2000
Lennox UV-2023

Lennox 64X57 UV Humidifier Replacement Bulb is the correct replacement for the following models of humidifiers:

Lennox UVO-1000
Lennox UVO3-1000
Lennox UVO3-1023

Lennox X9423 UV Filtration Germicidal Lamp works with the following models:

Your homes HVAC system
The Lennox germicidal light, part number X9423, is a uv germicidal bulb for your homes HVAC system.