Inspection-Hatch Safety Catch

Mechanical catch preventing accidental closure of large inspection hatches. Keeps the hatch open securely during internal cleaning.

Interlock Safety

Logic preventing burner operation unless circulation pumps are active.

Inverse Spraying

Spraying binder on narrow shoulders by reversing the sprayer for neat edges.

Illuminated-Switch Panel

Switch panel with back-lit legends for night use. Improves operator visibility and reduces the chance of incorrect switch selection.

Indicator Control Relay

Relay controlling indicator flash rate and lamp load detection. Essential for correct operation when switching to LED units.