Check Valve Assembly

Internal Thread Check Valve Assembly for all Pumps

Qty 1 - 303251 Check Valve Body
Qty 2 - 300640 Seat
Qty 2 - 200904 Ceramic Ball
Qty 1 - 301873 Check Valve Retainer
Qty 2 - 201277 Flat Washer
Qty 2 - 300734 Screw
Qty 1 - 300735 Static Backup Ring
Qty 1 - 300733 Static Seal
Qty 1 - 200909 O-Ring
Qty 1 - 303252 Inlet Retainer
Qty 1 - 303293 Inlet Retainer Nut
Qty 1 - 303274 Support Ring
Qty 1 - 301639 Ring Seal
Qty 1 - 200515 Fitting

Replaces: 303401

** Please note: If you are upgrading your 301641 check valve assemblies to the new 303401 assemblies, you must upgrade to the 303294 liquid displacers at the same time. Failure to do so will result in damage to your pump. **