Waterway Pump Parts 56 frame 315-1220 3151220 315-1220B 315-1260 Volute Back only - for Executive Series 56 frame pumps, 2" Discharge, fits 2010 and later Waterway Executive pumps with 6.5" diameter motors, for 2" PVC pipe size. 315-1220 has been renamed 315-1260 and part you will receive is marked 315-1260 please note.
Threads measure 3-1/8" outside diameter, 2" MBT industry standard thread. for 1.0 HP thru 5 hp spa pumps. Waterway Pump Parts and genuine OEM replacement parts by Waterway Plastics. 315-1220 is just the part shown, with brass inserts for big 56 frame 6.5" diameter motors, it is not a part number for a full pump. p/n 315-1220 indicates you have a Waterway Executive Series pump, of which there are several choices in power and in threaded connection size. View our complete selection of all the Waterway Executive pumps, we stock them all.. Be aware that Waterway changed their Executive tooling some years back and new covers do not necessarily fit into older pump rear housings, and new rear housings may not fit older front faceplates. Also, 315-1220 was changed to p/n 315-1220B and is now marked 315-1260 w/ O-ring on the backside.