Fireye SB560522AA Control 321142 301 you should verify your existing you should verify your existing part number against the E5 205J specification to ensure a proper fit Corrosion Resistance: Full bronze construction and stainless steel spring internals handle saturated steam without premature degradation The trial for ignition timing is typically determined by the wiring configuration or internal settings of the specific SB56 series chassis used in your application Technical Benefits for Contractors: Configurable TFI Timing: Switchable 10 or 15 second trial for ignition provides flexibility across diverse burner models