Lennox 81M42 Condensate Collar 320734-701 Key Benefits Superior Sealing Action:

Key Benefits Superior Sealing Action: Features long-lasting metal-to-metal seating and Buna-N elastomers to prevent gas leak-by

Standard models may require the 143-16-005-08 variant

If the interior walls show significant scale buildup that cannot be safely cleaned

it supports both O and B reversing valve applications and integrates 24V brownout protection

How do I know if the thermocouple is bad

Lennox 81M42 Condensate Collar 320734-701 Key Benefits Superior Sealing Action:As an HVAC technician, you know that managing condensate in upflow furnace configurations is critical to avoiding cabinet corrosion and internal component damage. The Lennox 81M42 Condensate Collar is a genuine OEM Lennox replacement part engineered specifically for upflow furnace condensate management. This high density condensate drain collar integrates seamlessly with the furnace cabinet to provide a leak proof transition for moisture removal.