while the "60F" represents the temperature drop required for the switch to reset after a trip event

or physical cracks in the burner tubes

Broad Compatibility: Standard 3/4 inch FNPT inlet and outlet connections fit most residential and light commercial piping

High Close-off: Rated for up to 36 psi close-off

whereas a normally open valve remains open until energized

Fireye MEC120RC Module L99H008 while the "60F" represents theThe Fireye MEC120RC is a high performance 120V MicroM chassis designed for advanced burner management in commercial and process heating systems. This microprocessor based flame safeguard provides comprehensive automatic ignition and continuous monitoring for various fuel types. The "RC" designation indicates specialized remote reset and ModBus communication capabilities, allowing you to interface directly with the ED510 display or energy management