Lennox 59M31 Flue Box 326010-701 Performance Consistency: Maintains the required

Performance Consistency: Maintains the required RPM to ensure proper venting and prevent system lockout due to pressure switch failures

while the 1-inch main line allows for full-flow efficiency

When you're on a service call for a Carrier

Its venturi design ensures a precise air-to-gas mixture

This valve ensures precise refrigerant head pressure control

Lennox 59M31 Flue Box 326010-701 Performance Consistency: Maintains the requiredThe Lennox 59M31 is a critical OEM collector flue box engineered for high efficiency gas furnaces. As a veteran technician knows, the integrity of the collector box is paramount for managing furnace condensation and ensuring the safe transition of combustion byproducts into the furnace flue pipe. This genuine Lennox furnace part is constructed from corrosion resistant materials to withstand the acidic environment created by the condensing process in