Common Backflow Repair Parts - Wilkins


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350ASTDA
2 1/2" 3" - 4" 6" 8" 10"
Main Valve Rubber Repair Kit RK4-350
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RK4-350
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RK6-350
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RK8-350
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RK8-350
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1st Check Assy RK4-350ASTCK1
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RK4-350ASTCK1
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RK6-350ASTCK1
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RK8-350ASTCK1
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RK10-350ASTCK1
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2nd Check Assy RK212-350ASTDACK2
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RK4-350ASTDACK2
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RK6-350ASTDACK2
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RK8-350ASTDACK2
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RK8-350ASTDACK2
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1st Check Retainer
N/A = not applicable
3509ST-14B
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3509ST-14B
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3510ST-14B
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2nd Check Retainer
Sizes 2 1/2", 3"-4" and 6" have 2 of these. N/A = not applicable
3509ST-140
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3509ST-140
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3510ST-140
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