375AST Parts/Repair Kits

Parts Indentification

1. O-Ring, Relief Valve

2. Relief Valve Assembly

3. Bolt, Relief Valve

4. Seat Retainer #1

5. Seat Retainer #2

6. O-Ring, Seat

7. Bolt, Poppet Retainer

8. Handle, #1 Poppet Assembly

9. Washer

10. O-Ring, Retainer

11. Poppet Retainer

12. Seal Ring

13. Seat Assembly, #1 Poppet

14. Seat Assembly, #2 Poppet

15. Sensing Tube Fitting

16. Sensing Tube

17. Washer, Seat Retainer

18. Nut, Seat Retainer

19. Gate Valve: NRS (GXG), NRS (GXF), OS&Y (GXG), OS&Y (GXF), Butterfly Valve (GXG), Butterfly Valve (GXF)

20. Ball Valve, FxF

21. Cover Ball Valve

22. Cover Retainer Assembly

23. Grooved Coupling

24. Cover

375AST Parts/Repair Kits

375AST

Stainless Steel Reduced Pressure Principle - Backflow Preventers - 2-1/2" to 10"

Where to Buy

Diagram #	Product Number	Description	Shop Parts
	RK10-350ASTCK2	#2 Check Assembly Repair Kit, 10" 375AST	Where to Buy Buy Online

Diagram #	Product Number	Description	Shop Parts
	RK212-350ASTCK2	#2 Check Assembly Repair Kit, 2-1/2" 375AST	Where to Buy

Product Number	Description	Shop Parts
BRK4-SSLBF-SEAT1RTNR	Bulk #1 Seat Retainer Repair Kit, 2-1/2" - 4" 375AST	Where to Buy Buy Online
RK4-375AST-SEAT1-ASY	#1 Seat Assembly Repair Kit, 2-1/2" - 4" 375AST	Where to Buy
RK4-350	Standard Repair Kit, 2-1/2" - 4" 375AST	Where to Buy
RK4-375ASTCK1	#1 Check Assembly Repair Kit, 2-1/2" - 4" 375AST	Where to Buy Buy Online
BRK4-SSLBF-SEAT2RTNR	Bulk #2 Seat Retainer Repair Kit, 2-1/2" - 4" 375AST	Where to Buy Buy Online
RK212-RV375AST-HOSE	Braided Hose Kit, 2-1/2" - 6" 375AST RV	Where to Buy

Diagram #	Product Number	Description	Shop Parts
	RK4-350ASTCK2	#2 Check Assembly Repair Kit, 3" and 4" 375AST	Where to Buy Buy Online

Product Number	Description	Shop Parts
BRK6-SSLBF-SEAT2RTNR	Bulk #2 Seat Retainer Repair Kit, 6" 375AST	Where to Buy Buy Online
BRK6-SSLBF-SEAT1RTNR	Bulk #1 Seat Retainer Repair Kit, 6" 375AST	Where to Buy Buy Online
RK6-350ASTCK2	#2 Check Assembly Repair Kit, 6" 375AST	Where to Buy Buy Online
RK6-RV375AST-HOSE	Braided Hose Kit, 6" 375AST RV	Where to Buy
RK6-375ASTCK1	#1 Check Assembly Repair Kit, 6" 375AST	Where to Buy Buy Online

Product Number	Description	Shop Parts
RK8-350	Standard Repair Kit, 8" and 10" 375AST	Where to Buy
RK8-350ASTCK2	#2 Check Assembly Repair Kit, 8" and 10" 375AST	Where to Buy Buy Online
RK8-RV375AST-HOSE	Braided Hose Kit, 8" and 10" 375AST RV	Where to Buy
RK8-RV-ASSY	Relief Valve Assembly Repair Kit, 8" and 10" 375AST	Where to Buy
RK8-375ASTCK1	#1 Check Assembly Repair Kit, 8" and 10" 375AST	Where to Buy Buy Online

The manufacturers and products listed are or may be the trademarks of their respective companies. The other manufacturers and products listed are not associated with Zurn Elkay or Zurn Elkay’s products. Zurn Elkay provides this information for general cross reference purposes only. Zurn Elkay makes no representations regarding the quality, comparability, or compatibility of any competitor products listed. All information is subject to change without notice.