JET PUMP ACCESSORIES E. Foot Valves (Lead Free Brass) Model RFV-10, Part No. 20441A500, 1" Fits R520 and R100 2" diameter applications Model RFV-12, Part No. 20442A500, 1-1/4" Fits R510 and R100 except 2" diameter applications Model RFV-75, Part No. 05850A509, 3/4" Fits all jet pumps that have reduced to 3/4" NPT F. Check Valves (Lead Free Brass) Model RCV-10, Part No. 20445A500, 1" Model RCV-12, Part No. 20446A500, 1-1/4" Model RCV-75, Part No. 13169B500, 3/4" G. Discharge Tee Model RDT, Part No. 05002A504, 1" For use with shallow well pumps