Backflow Repair Parts & Kits

This outlet ball valve is the for the 1" 375 model.  

1" REPLACEMENT VESSEL FOR THE 375 AND 375XL.  THIS CONTAINS ALL THE INTERNAL PARTS INSIDE THE VESSEL.

375 AND 375XL 1" BLOW OUT FITTING FOR BLOWING OUT YOUR SPRINKLER LINES, AND ALSO CAN BE USED FOR FLUSHING OUT LINES BEFORE THE BACKFLOW ASSEMBLY.

This is the complete RV assembly, brass body with internals and the bolts and o-ring to attach it to the main body as well as hose fittings.

For models 375, 375A, 375AST, 475/475V sizes 2 1/2", 3", 4", 6"

375 AND 375XL 3/4" REPLACES THE BACKFLOW VESSEL TO BLOW OUT SPRINKLER LINES.   

375 AND 375XL 3/4" COMPLETE REPAIR KIT.  INCLUDES ALL PARTS FOR BOTH CHECKS AND THE RELIEF VALVE.  ALL INTERNAL AND REPLACEABLE PARTS INSIDE THE ASSEMBLY.

 1" 375 AND 375XL COMPLETE INTERNALS.  ALL RUBBERS, PLASTIC AND SPRINGS FOR BOTH CHECKS AND THE RELIEF VALVE.  INCLUDES THE O-RINGS THAT GO ON BOTH ENDS OF THE VESSEL.  

Wilkins 375 and 375XL 3/4" vessel kit.  This is a complete replacement of the plastic housing and all the internals.  Pull the old one out and stick the new one in.

375 AND 375XL 1" WEDGE KIT

FOR 1" MODELS 375 AND 375XL RUBBER KIT.  THIS IS THE RUBBER FOR BOTH CHECKS AND RELIEF VALVE.

SIZES 1/2" - 3/4"  FULL RUBBER KIT FOR BOTH CHECKS AND RELIEF VALVE FOR MODELS 375 AND 375XL

375, 375A, 375AST, OR 475 RUBBERS FOR RELIEF VALVE FOR  SIZES 2 1/2", 3", 4" AND 6" 

375 AND 375XL 1 1/4"-2" ALL COMPONENTS, PLASTICS, RUBBERS AND SPRINGS FOR BOTH CHECKS AND RELIEF VALVE INTERNAL KITS.

350/375/450/475  4" Kit includes both check rubbers and o-rings in one kit.

350/375 AND THE 350XL AND 375XL1 1/4", 1 1/2" and 2" BLOW OUT FITTING TO BE USED TO WINTERIZE IRRIGATION LINES.

REPLACES THE VESSEL PORTION OF THE 350/350XL OR 375/375XL.

FOR MODELS 350, 375, 450, and 475 2 1/2"-3" Both check rubbers and o-rings in one kit.

This is not for the 350A or 375A or 350AST or 375AST models!

This is the relief valve rubbers with the RV spring kit. for the 375. 375A, 375AST, 475 models.

Wilkins #2 check assembly for models, 4" 350/375,  450/475 and for 2 1/2", 3" and 4" 350A and 375A.  Also comes with check retainers.

For models 350/350A/350AST/450/375/375A/375AST/475 6" Both check rubbers and o-rings in one kit.

375 AND 375XL 1 1/4"-2" COMPLETE RUBBER KIT FOR BOTH CHECKS AND THE RELIEF VALVE.

2 1/2" AND 3" #2 CHECK ASSEMBLY WITH RETAINER FOR THE 350, 375, 450, AND 475 MODELS.

THESE ARE NOT THE PARTS FOR THE 350A, 375A MODELS!

#2 CHECK ASSEMBLY FOR THE MODELS 350, 350A, 375, 375A, 450 AND 475 6".  ALSO COMES WITH CHECK RETAINERS