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Solitech 550-TL-I045-PT Circuit Board BH531-03 BH531-03 Pair Of 2
You will notice the DSP RICHAUTO mark right away when you unpack it.
Solitech 550-TL-I045-PT Circuit Board BH531-03 BH531-03
A nice touch on the Oil Equipment Mfg 4171 is the built-in lock that prevents accidental start-up.