Backflow Repair Parts & Kits

4000SS/5000SS RV rubber kit 2 1/2" - 10".  This kit is just the rubbers to rebuild the relief valve only.

Watts 2 1/2" - 4" 957 repair kit- rubber total. Kit includes first and second check module o-rings, two red silicone (RS) disc elastomers, two e-clips, relief valve diaphragms, relief valve inlet coupler o-ring and relief valve piston assembly. Ordering # 0889373

Watts 2 1/2"- 10" 957/957RPDA repair kit- relief valve rubbers. Kit includes diaphragm, inlet coupler o-ring and piston assembly. 

Watts 009 and LF009  2 1/2" - 3" Lead free repair kit- first check kit. Kit includes check assembly, cover o-ring and flow tube o-ring.  

Watts 2 1/2" - 3" 909 and LF909 lead free repair kit - rubber total. Kit includes check disc, cover o-ring, sleeve o-ring, piston o-ring, rv disc assembly, diaphragm, piston seal and lubricant. 

PART# 4000904 2 1/2"-3" RUBBER REPAIR KIT

Complete #2 check assembly for the 2000SS and 3000SS sizes  2 1/2" - 4" including cam check o-ring.

909 and LF909 2 1/2" - 3" Repair Kit- Second check rubber. Kit includes check disc, cover o-ring and lubricant. Ordering # 0887226

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

Watts RK 909 2 1/2"-3" Repair kit- Rubber parts for the first check. Kit includes check disc, cover o-ring and lubricant. Ordering # 0887220

Watts 2 1/2"-10" 957/957RPDA repair kit- total relief valve. Kit includes complete relief valve with sensing hose , o-ring, and lubrication. Ordering # 0899232

PART#4000906 2 1/2"-3" RV RUBBER KIT

Closure sleeve test cock or #3 test cock for the Colt 200/300/400/500 as well as the Colt 200a/300a as well as the Maxim series.

Watts 2 1/2" - 3" 909 and LF909 repair kit - relief valve kit. Kit includes sleeve o-ring, piston o-ring, stem o-ring, rv disc assembly, diaphragm, piston seal, bottom plug o-ring, adapter o-ring and lubricant. Ordering # 0794081

975 RELIEF VALVE RUBBERS AND SPRING. 2 1/2"-6".  

Watts LFRK 009 2 1/2" - 3" lead free repair kit- total kit.  Kit includes complete relief valve repair kit, complete first and second check repair kit, Order # 0794051

860/880 2 1/2" - 10" internal relief valve excluding the seat.  THIS DOES NOT FIT THE NEW VERSIONS THAT ARE LEAD FREE, LF860 OR LF880

Watts 709 and LF709 2 1/2" -3" Repair kit- rubber total. Kit includes two discs and two cover o-rings. 

860 2 1/2"-3" CK RUBBER KIT