Nordyne 626435R Limit Switch this component is critical for

this component is critical for maintaining the specific gas-to-air ratio required for stable pilot flame ignition in Weil McLain EG boilers and CG series units

When diagnosing a tripped rollout limit switch

verifying the underlying cause of a trip—such as restricted airflow or burner malfunction—is essential before utilizing the manual reset button to restore operation

it will likely blow during startup even if no fault exists

leak-proof connection between the header flange and the heat exchanger tube sheet

Nordyne 626435R Limit Switch this component is critical forThe Nordyne 626435R Auto Limit Switch is a critical OEM safety component engineered for precision temperature monitoring in gas fired and electric furnaces. This high limit safety control features a 3 1 8 inch insert length and is calibrated to open between 200? F and 220? F. As a primary safety device, it prevents heat exchanger damage and hazardous conditions by interrupting the burner circuit if the plenum temperature exceeds specified tolerances.