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The Wilkins 3509-300A is a #1 check module designed for 350, 350A, and 450 series double check backflow preventers, ensuring reliable low-hazard protection.
Key Specifications:
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
US$40
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