flame sensor troubleshooting often begins when a unit short cycles or fails to prove flame within the standard 4-second ignition window

Enhanced Protection: 18AWG nickel-chrome leads with fiberglass insulation prevent electrical grounding and thermal degradation

Always verify static pressure and airflow velocity before assuming the switch itself is defective

ensuring the evaporator coil is fully utilized across varying thermal loads

Smith commercial heating equipment

Daikin-McQuay 336298104 Wire Harness 321702-401 flame sensor troubleshooting often beginsThe Daikin McQuay 336298104 wire harness is a critical electrical interface component designed for professional grade HVAC systems. This 25 foot wire harness with connector ensures reliable signal transmission and power distribution between controllers and system components in large tonnage commercial HVAC maintenance applications. Built to exact OEM HVAC replacement part specifications, it features high grade insulation and a pre terminated harness