Backflow Repair Parts & Kits

Watts 2 1/2"- 10" 957/957RPDA repair kit- relief valve rubbers. Kit includes diaphragm, inlet coupler o-ring and piston assembly. Ordering # 0899236

PART# 7010113 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

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"

Watts 2 1/2" - 3" 909 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. Ordering # 0794089

374/475  2 1/2"-6" RV RUBBER

375 1/2"-6" RV COMPLETE

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

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" - 4" 957/957RPDA repair kit- second check kit. Kit includes second check module, check module o-ring and epdm disc elastomer. Ordering# 0899216

Watts 2 1/2" -  3" 909 lead free repair kit - Vent total kit. Kit includes diaphragm, disc and piston assembly, seat, seat o-ring, adapter o-ring and lubricant. Ordering # 0794085

Watts 009 and LF009 3" Lead Free repair kit- Rubber total. Kit includes diaphragm, two molded disc assemblies, two seat o-rings, rv o-rings, two piston o-rings, rv stem o-ring, flow tube o-ring and cover o-ring. Ordering # 0794056

Watts LFRK 009 2 1/2" and 3" lead free repair kit- relief valve total repair kit. Kit includes seat, stem assembly, spring, two piston o-rings, flow tube o-ring and cover o-ring. Ordering # 0794052

PART# 905320  860/880 2 1/2" - 10" internal relief valve excluding the seat.

975 RV COMPLETE 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

880V CHECK RUBBER 2 1/2"-3"

RUBBER KIT 880(V) 2 1/2"-3"

RUBBER KIT 860 2 1/2"-3"

Watts 757/DCDA RS 2 1/2" - 4" First check repair kit. Kit includes first check module, check module o-ring and red silicone disc elastomer. Ordering # 7018128

975 RV 2 1/2"-6" RUBBER KIT

PART# 905249†† RUBBER KIT 850/856 2 1/2"- 3"