Listen for a distinct "click"

the 4023349 OEM replacement ensures structural integrity under continuous operation

Enhanced Durability: Industrial-grade insulation resists degradation from heat and vibration

OEM Precision Fit: Ensures exact clearance and alignment within Lochinvar and A

Can it be used after compressor burnout cleanup

Advanced Distributor Products 76740200 Rollout Switch 322838-752 Listen for a distinct "click"The Advanced Distributor Products 76740200 Rollout Switch is a critical safety component designed for high performance HVAC flame rollout protection. This genuine ADP replacement part (also identified as 99K63 or 176740200) serves as a thermal limit switch that monitors for internal heat spillover within the burner compartment. Engineered to open and break the electrical circuit at 250 degrees Fahrenheit, it effectively halts gas flow to prevent