Backflow Repair Parts & Kits

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.

PART# RK1-375V  1" REPLACEMENT VESSEL FOR THE 375 AND 375XL

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"

PART# RK34375R  1/2"-3/4" 375 RUBBER KIT

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

 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.  

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

374/475  2 1/2"-6" RV RUBBER

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

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

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.

PART# RK1-375R  1" 375 RUBBER KIT.  THIS IS THE RUBBER FOR BOTH CHECKS AND RELIEF VALVE.

PART# RK34375V  WILKINS 3/4" 375 VESSEL

375/475 8"-12" RV RUBBER KIT

THIS IS THE COMPLETE #1 CHECK ASSEMBLY WITH THE RETAINER RING. FOR MODELS, 375/375A/475.

Poppet assembly #2 check for 350/350A, 450/475 8", 10", 12"

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.

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

#1 Poppet assembly for 375/375A/475 8" - 10"

#1 Poppet assembly for the number one check assembly.  This is for the 375/475 4" assembly.  It is also for the 375A 2 1/2" - 4" sizes.

375 8"-12" RV COMPLETE KIT