Where is the filter on the Lennox Conservator II?

The filter on the Lennox Conservator II is typically located in the return air duct or at the indoor unit itself. It can usually be accessed by removing a panel or grille. For specific instructions, it's best to consult the user manual or installation guide for your model, as the location may vary slightly based on the configuration. Regularly checking and replacing the filter is important for optimal performance.