Check Valve
SEAFLO anti-siphon vented loop prevents backflow in marine toilet, macerator, and bilge plumbing lines.

SEAFLO check valve, 12V: operates on 12V for marine and RV electrical systems, reliable Flow Control – Automatically regulates water flow for smooth system operation.
Amazon price checked Jul 18, 2026
SEAFLO check valve, 12V: operates on 12V for marine and RV electrical systems, reliable Flow Control – Automatically regulates water flow for smooth system operation.
A practical SEAFLO component for completing marine and RV plumbing installations.
SEAFLO is an ISO 9001 certified manufacturer of marine and RV water system solutions with over a decade of market experience. Products are exported to 100+ countries with CE, RoHS, and NSF certifications where applicable.
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