375ST Parts/Repair Kits

Parts Indentification

1. Wedge Screw

2. Wedge

3. O-Ring, Sleeve

4. Sleeve

5. O-Ring, #1 Check Seat

6. #1 Check Seat

7. Poppet Screw

8. Check Seal Retainer

9. Check Seal Ring

10. Poppet

11. #1 Check Spring

12. #1 Check Spring Retainer

13. O-Ring, #2 Check Seat

14. #2 Check Seat

15. #2 Check Spring

16. #2 Check Spring Retainer

17. O-Ring, Housing Inlet

18. Test Cock, SS

19. Check Housing

20. O-Ring, Housing Outlet

21. O-Ring, Relief Valve Cover

22. O-Ring, Relief Valve Seat

23. Relief Valve Seat

24. Relief Valve Spring

25. Relief Valve Seal Retaining Screw

26. Relief Valve Seal Ring

27. Relief Valve Lower Plunger

28. Diaphragm

29. Relief Valve Upper Plunger

30. O-Ring, Relief Valve Stem

31. Relief Valve Cover

32. Relief Valve Cover Screw - Short, Relief Valve Cover Screw - Long

33. Inlet Ball Valve, SS

34. Outlet Ball Valve, SS

35. Housing, Blow-Out/Flush, Flush Hose Assembly

36. Red Ball Valve, Handle and Nut, Test Cock Cap Plug

375ST Parts/Repair Kits

375ST

Stainless Steel Reduced Pressure Principle - Backflow Preventer - 1/2" to 1"

Where to Buy
Diagram # Product Number Description Shop Parts

RK1-375FLUSH

Flush Kit, 1" 375ST

RK1-375W

Wedge Assembly Repair Kit, 1" 375ST

RK1-375

Complete Internals Repair Kit, 1" 375ST

RK1-375R

Rubber Repair Kit, 1" 375ST

RK1-375STBVHD

Red Ball Valve Handle Repair Kit, 1"

RK1-375-RVCOVER

Relief Valve Cover Repair Kit, 1" 375ST

RK1-375STBV1

Inlet Ball Valve Repair Kit, 1" 375ST

RK1-375STBV2

Outlet Ball Valve Repair Kit, 1" 375ST

RK1-375BOF

Blow-Out/Flush Fitting Repair Kit, 1" 375ST

RK1-375VST

Complete Pressure Vessel Repair Kit, 1" 375ST
Diagram # Product Number Description Shop Parts

RK12-375STBV1

Inlet Ball Valve Repair Kit, 1/2" 375ST

RK12-375STBV2

Outlet Ball Valve Repair Kit, 1/2" 375ST
Diagram # Product Number Description Shop Parts

RK34-375STBVHD

Red Ball Valve Handle Repair Kit, 1/2" and 3/4"

RK34-375-RVCOVER

Relief Valve Cover Repair Kit, 1/2" and 3/4" 375ST

RK34-375

Complete Internals Repair Kit, 1/2" and 3/4" 375ST

RK34-375W

Wedge Assembly Repair Kit, 1/2" and 3/4" 375ST

RK34-375FLUSH

Flush Kit, 1/2" and 3/4" 375 Series

RK34-375VST

Complete Pressure Vessel Repair Kit, 1/2" and 3/4" 375ST

RK34-375R

Rubber Repair Kit, 1/2" and 3/4" 375ST

RK34-375BOF

Blow-Out/Flush Fitting Repair Kit, 1/2" and 3/4" 375ST
Diagram # Product Number Description Shop Parts

RK34-375STBV1

Inlet Ball Valve Repair Kit, 3/4" 375ST

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