This 2400 KVX Replacement prop is for the 2400VFX Aerating Fountains with the classic V Pattern.
NOTE: the Old part # 240595 didn't include the Jam nut.
The New Part # 340125K includes the KVX prop...
This 3400 J Replacement Prop is for the 3400AF high volume Aerators and 3400D Deicer units.
NOTE: the Old part # 340125 didn't include the Jam nut.
The New Part # 340125K includes the J prop with...