Generac 0F9483 Coolant Level Probe Interface/Signal Conditioner. This was used with the 0E2507 probe on older Liquid Cooled units. The probe can be seen here:
Generac 0E2507 Replacement Coolant Level Probe
Generac replacement parts will also usually fit the following Generac branded generators: Honeywell, Guardian, Siemens, Carrier, Watchdog, Centurion, & Bryant.
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