Is the 14004459-001/U different from the 14004459-001

What happens if my furnace keeps tripping this switch

007" orifice (aqua)

OEM-Spec Compatibility: Engineered as a direct replacement part

Lennox 31J96 Rollout Switch Is the 14004459-001/U different fromThe Lennox 31J96 Rollout Switch is a critical safety component designed for precise thermal monitoring in residential and commercial gas furnaces. Engineered as a manual reset flame rollout switch, this SPST (Single Pole Single Throw) device is calibrated to actuate at 320 degrees F (+ 13F). When the switch detects temperatures exceeding this safety thresholdoften caused by blocked venting, a failing inducer motor, or a compromised heat exchangerit