Forespar MF 839 Vented Loop - 1-1/4" [903011] Electrical | Alternators Male NPT x Hose connection

Male NPT x Hose connection

Visible indication of blown condition

Common applications include combining nav lights and anchor light with indepedent bulbs or maintained dual windshield wiper control

Dual Airflow Redundancy

Twist and compress by hand to insert into hole

Forespar MF 839 Vented Loop - 1-1/4" [903011] Electrical | Alternators Male NPT x Hose connectionMF 839 Vented Loop 1 1 4" 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