Lennox 43K69 Ignition Cable 318172-701 This ensures the thermal response

This ensures the thermal response time and electrical ratings match the original system design

The flanged connections follow standard industrial specifications

The Weil-McLain 450-021-242 isolates the combustion chamber from external wind conditions and chimney draft variations

heat-resistant materials that resist degradation under constant cycling

technicians should always verify the specific option setup mode in the unit manual

Lennox 43K69 Ignition Cable 318172-701 This ensures the thermal responseWhen you are dealing with a furnace that refuses to kick over, a compromised Lennox 43K69 Ignition Cable is often the silent culprit. This OEM Lennox ignition wire, also identified by model 65207600, is engineered specifically for high voltage spark transmission from the ignition control module to the spark electrode. As a veteran technician, you know that brittle or cracked insulation on a secondary lead results in voltage leaks and "ghost" ignition