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Forespar Marelon 1/2″ Vented Loop/Siphon Valve

Manufacturer: FORESPAR

SKU: 108-903008 Category:


Vented loops are vital components to any onboard plumbing system reducing the risk of sinking or flooding. The glass reinforced composite Marelon™ Vented Loops allow air to enter the lines preventing that dangerous back siphoning effect. Use above the waterline on your head discharge system, bilge pump, the engine, gen-sets, air conditioners, ballast tanks or other equipment. Vented loops help make sure your boat stays afloat after the pumps are turned off.

Model: MF845
Hose: 1/2″ Barb
Size: 4-1/4″ W x 5-1/4″ H

KMS Part# FOR 903008
DMP Part# 26665
Vendor # 903008

Additional information

Weight 0.25 lbs


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