How do I know if my CNT4364 is in a hard lockout

Operating on a 460V / 3-phase / 60Hz electrical configuration

this 140F manual reset limit switch serves as a primary thermal cutoff to prevent heat exchanger damage or unsafe operating conditions

Installing a switch with a higher opening temperature creates a safety hazard

This 5/16 inch (8

Bradford White 415-49655-00 Spark Rod 326010-701 How do I know ifThe Bradford White 415 49655 00 Spark Rod is a critical OEM ignition component designed for precise arc delivery in commercial gas water heaters and high efficiency power vent systems. This direct replacement pilot electrode features a high grade Kanthal alloy electrode tip encapsulated in high dielectric ceramic insulation to prevent current leakage and ensure consistent spark arrival at the pilot burner. Designed for electronic ignition modules,