What is the coolant temperature gauge part number and what does it measure?
The coolant temperature gauge is part number 217084 and measures from 0 to 300 degrees Fahrenheit. It is located on the front panel with components assembly. The Kubota engine also uses a coolant temperature switch (part number 213244) rated at 110°C, and the Mitsubishi engine uses a coolant temperature switch (part number 244039) rated at 111°C for shutdown protection.
From the official Miller Big Blue 400 Pro Welding Machine manual, page 9
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