FORESPAR 'Y' Valves - Vented Loops/Siphon Valve

Vented Loops/Siphon Valve
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 is designed to seal properly if particulate is present in fluids.
The new MF-846 vent barb assembly option can be used in lieu of the standard MF-841 cap/duckbill. This option allows venting to the outside of the hull via a 1/4" (6.35mm)hose.
Product Name Part Number Stock Price Qty
MF 840 1-1/2" 903000 In Stock $70.96
MF 842 3/4" 903001 In Stock $52.79
MF 843 5/8" 903003 In Stock $61.18
MF 844 1" 903007 In Stock $86.48
MF 845 1/2" 903008 In Stock $54.86
MF 847 1-1/8" 903009 Out of stock $79.24
MF 841 Vent/Duck Bill 903002 In Stock $13.34
MF 846 Vent Barb Assembly 903004 In Stock $20.93

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