Check Valves + O-rings (Kit #1) for General Pump Series 47/48/49/50/51/CW47

For General Pump Models: TS1811, T1011, TS2011, T1321, TS2021, T1505 EBF, TS821, T1511, TT1505 EBF, T1621, TT1540 GBF, T2011, TT2021 EBF, T2031, TT2028, T721, TT2028 EBF, T731, TT2028 GBF, T9051 EBF, TT2028GBFUI, T9051EBFUI, TT2035, T9131, TT2035EBF, T9161, TT2035GBF, T921, TT2035GBFU, T9211, TT2035 GBF, T9281, TT9051 EBF, T9711 EBF, TT9061, T9721, TT9061 EBF, T9721B, TT9061 GBF, T9721EBF TT9061GBFU T9731 TT9061GBFUI T9731B TT9071EBF T9731EBF TT9071GBF T9791 TT9071 GBFU, T991, TT9071GBF, T9951, TT9111, T9971, TT9111 EBF, TS1011, TT931, TS1021, TS2011, TS2021, TT9351, TS1321, TT941, TS1511, TT9441,  CW2004, TS1621, CW2040, TS1711, CW3040, TS4040
For Interpump Models: W101, W131, W151, W201, W203, W912, W913, W916, W921, WS82, WS101, WS102, WS131, WS133, WS135, WS151, WS152, WS171, WS201, WS202, W52, W53, W70, W71, W72, W73, W91, W98, W99, W972, W973, W979, W995, W996, W997, WS137, WS149, WW141, WW161, WW935, WW944
Included Part Numbers: 701115 O-ring – 36200366 Seat Valve – 36200176 Plate Valve – 94737600 Spring – 36200251 Guide Valve