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and BAE configurations
calibrated to "open" and break the electrical circuit at 160 degrees F and "close" to restore operation once the temperature drops to 120 degrees F
How do I test this limit switch for continuity
A trip at the 225°F threshold usually indicates a blocked heat exchanger
York S1-025-38970-000 Limit Switch and BAE configurationsEnsure precise thermal safety and reliable burner modulation with the York S1 025 38970 000 Limit Switch. This factory authorized OEM limit control is vital for protecting the furnace heat exchanger from overheating conditions. Engineered for rapid response, this auto reset limit switch features a critical temperature profile with a 130F opening setpoint and a 100F closing setpoint. Designed specifically for compatibility with York GY8S furnace models
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