This is a brand new, sealed, in box, Copeland brand scroll compressor, Model # ZP42K3E-PFV This is a 230 volt/ 1 phase/R410A /4ton A/C compressorWorks on most all residential and light commercialR 410A central air condensing units.This can replace many4 ton models. The compressor uses a rotary scroll, instead of old-fashioned reed valves, for a more reliable compressor. These compressors have a1 yearwarranty Comes with a run capacitor for a complete replacement.PLEASE NOTE- THIS COMPRESSOR IS FOR R410A SYSTEMS ONLYDO NOT DROP IN AN R 410A COMPRESSOR IN AN OLDER R-22 SYSTEMSHOULD I BUY FROM A SURPLUS SELLER, OR HERE WITH AC MIKE?Surplus seller: ( Them)Doesnt have any tech supportNo phone # to contact and ask questionnsGood luck after sale- item is usually as isNot really sure what they are selling ???Here with AC Mike Full tech support for items we sellphone # listed in our eCRATER store. Call anytime with questionsNew items have full warranties with warranty supportWe have full expert knowledge or our items