One from an M12k and one from an 8274. Both worked fine when swapped out for contactor type boxes.
M12k unit: 5 pin, red "W": $100
8274 unit: 3 pin, all black case: $75
Plus USPS Medium Flat Rate Box shipping at $18 each (if you want both they should fit in a USPS Large Flat Rate box at $23)
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