Waterway 600-8140 1-1/2" S x 1-1/2" S Air Check Valve with 1/4 lb Spring 34' An O-ring is a round

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Waterway 600-8140 1-1/2" S x 1-1/2" S Air Check Valve with 1/4 lb Spring 34' An O-ring is a roundThe Waterway 600 8140 air check valve is designed to prevent backflow and ensure reliable operation in pool and spa air systems. Its 1 1 2" slip connections provide a secure and easy installation into standard plumbing setups. Built with a 1 4 lb spring, it maintains proper airflow control and system performance. This valve is manufactured from durable materials for long lasting use in demanding water environments. Its compact design makes it a