Forespar Vented Loop 1-1/2" MF-840 Winterize Your Boat Sea-Dog Line Rail Mount Cleat

Sea-Dog Line Rail Mount Cleat 4-5/16"

engine controls and any other application that requires switching action other than ON-OFF or different pole configuration separate from circuit protection

Description: Brass Nipple 1-1/2 Diameter

Stress caused by shock

Forespar Vented Loop 1-1/2" MF-840 Winterize Your Boat Sea-Dog Line Rail Mount CleatMF 840 Vented Loop 1. 5" 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 into the top of the loop allows air to enter the line when not in use, yet effectively seals as water and other fluids pass through. molded in Marelon, neither loop nor vent will corrode.