4PES-10Y-25P ecoline. — Bitzer, OEM manufacturer part number 4PES10Y25PBEINO. Verified technical data: Product description = 4PES-10Y-25P ecoline.. Applications: commercial and industrial refrigeration, marine reefer plant, cold storage installations, and secondary-loop cooling. Bitzer is a leading manufacturer in this segment; the 4PES10Y25PBEINO sits within the Bitzer refrigeration components range.