4HE-18Y-40P ecoline. — Bitzer, OEM manufacturer part number 4HE18Y40PBEINNO. Verified technical data: Product description = 4HE-18Y-40P 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 4HE18Y40PBEINNO sits within the Bitzer refrigeration components range. See our companion Bitzer product family listings for adjacent variants and accessories.