The Forespar 1-1/8" Vented Loop #903018 is perfect for ensuring that fluids don't siphon from tank to tank, making it ideal for marine toilet and engine cooling systems. With a clever valve at the top that lets air in when not in use and seals tight when water flows, it's a handy addition to your boat's gear. Plus, its Marelon construction means it's tough and corrosion-free.Benefits Prevents siphoning between tanks Ideal for marine toilet and engine cooling systems Incorporates an air valve that seals during fluid flow Molded in durable, corrosion-resistant Marelon Duckbill valve seals even with particulates in fluids Optional vent barb assembly for external venting This vented loop measures 1-1/8 inches and is crafted from Marelon, a material known for its resilience and resistance to corrosion. It's a fit for sailing gear where preventing backflow is crucial. Additionally, an optional vent barb assembly can replace the standard cap/duckbill to allow venting outside the hull via a 1/4" hose.UsageBest used in marine environments, particularly in systems like marine toilets and engine cooling, where preventing siphoning is essential.
