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Lumitec's innovative internal relay simplifies wiring and significantly reduces installation costs and complexity
Recommended only for single-engine outboard boats less than 30’ long¹
per turn of the spool
Oversized collar for added head support
Forespar MF 845 Vented Loop - 1/2" [903008] Automotive/RV | Fume Detectors Lumitec's innovative internal relay simplifiesMF 845 Vented Loop 1 2" Installing one of our vented loops will ensure that fluids will not siphon from tank to tank. Vented loops are commonly used in the marine toilet system and engine cooling system. The simple valve system incorporated in the top of the loop allows air to enter the line when not in use, yet effectively seals as water or other fluid passes through. Molded in Marelon, neither vent nor loop will corrode. The duckbill one way valve
