Marine Ball Valves | Nylon Ball Valves | Boat Valve Systems
GEM Valves are a great shut off point for your thru-hull water systems. Our Thru-Hull product line is available in a number of sizes and threaded to fit. It creates a safe plumbing system on your boat.
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Ball Valve .5" NPS, Black
Regular price
$43.92
Sale price

$0.00

$43.92
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Ball Valve .75" NPS, Black
Regular price
$47.43
Sale price

$0.00

$47.43
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Ball Valve 1" NPS, Black
Regular price
$84.86
Sale price

$0.00

$84.86
Unit price
per 
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1.25" Ball Valves - NPS, Black
Regular price
$87.36
Sale price

$0.00

$87.36
Unit price
per 
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Ball Valve Position Monitored 1.5" NPS, Black
Regular price
$134.51
Sale price

$0.00

$134.51
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Ball Valve 1.5" NPS, Black
Regular price
$106.83
Sale price

$0.00

$106.83
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Ball Valve 2" NPS, Black
Regular price
$137.27
Sale price

$0.00

$137.27
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3/4" Ball Valve Made of Nylon
Regular price
$40.80
Sale price

$0.00

$40.80
Unit price
per 
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Ball Valve Handle Tag
Regular price
from $3.07
Sale price
from $3.07
Unit price
per 
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Ball Valve 2", NPT Full EP
Regular price
$367.74
Sale price

$0.00

$367.74
Unit price
per 
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Thru Hull Adapter 1" FNPT x 1" Tube
Regular price
$7.35
Sale price

$0.00

$7.35
Unit price
per 
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Thru Hull Adapter 1.5" FNPT x 2" Tube
Regular price
$12.99
Sale price

$0.00

$12.99
Unit price
per 
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Ball Valve Mounting Bracket 1 ¼" - 1 ½"
Regular price
$16.16
Sale price

$0.00

$16.16
Unit price
per 
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Pipe Nipple 1.5", NPT Full EP
Regular price
$27.61
Sale price

$0.00

$27.61
Unit price
per 
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Ball Valve Position Monitored 2" NPS
Regular price
$247.91
Sale price

$0.00

$247.91
Unit price
per 
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Thru Hull Adapter 1" FNPS x 1" Tube
Regular price
$7.35
Sale price

$0.00

$7.35
Unit price
per 
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Thru Hull Adapter 1.5" FNPS x 2" Tube
Regular price
$12.99
Sale price

$0.00

$12.99
Unit price
per 
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