Marine Stainless Steel Ball Valves | Marine & Boating Ball Valves

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
$35.50
Sale price

$0.00

$35.50
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Ball Valve .75" NPS, Black
Regular price
$38.33
Sale price

$0.00

$38.33
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Ball Valve 1" NPS, Black
Regular price
$68.57
Sale price

$0.00

$68.57
Unit price
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Ball Valve 1.25" NPS, Black
Regular price
$70.59
Sale price

$0.00

$70.59
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Ball Valve Position Monitored 1.5" NPS, Black
Regular price
$108.69
Sale price

$0.00

$108.69
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Ball Valve 1.5" NPS, Black
Regular price
$86.32
Sale price

$0.00

$86.32
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Ball Valve 2" NPS, Black
Regular price
$110.93
Sale price

$0.00

$110.93
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1.5" Ball Valve, NPS Nylon
Regular price
$100.93
Sale price

$0.00

$100.93
Unit price
per 
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1" Ball Valve, Nylon NPS
Regular price
$52.01
Sale price

$0.00

$52.01
Unit price
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2" Ball Valve, NPS Nylon
Regular price
$148.09
Sale price

$0.00

$148.09
Unit price
per 
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3/4" Ball Valve, Nylon NPS
Regular price
$32.97
Sale price

$0.00

$32.97
Unit price
per 
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Ball Valve Handle Tag
Regular price
from $2.49
Sale price
from $2.49
Unit price
per 
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Ball Valve 2", NPT Full EP
Regular price
$297.17
Sale price

$0.00

$297.17
Unit price
per 
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3/4" 2PC NPT THREADED BALL VALVE
Regular price
$25.00
Sale price

$42.06

$25.00
Unit price
per 
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1/2" 2PC NPT THREADED BALL VALVE
Regular price
$35.20
Sale price

$0.00

$35.20
Unit price
per 
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Thru Hull Adapter 1" FNPT x 1" Tube
Regular price
$5.94
Sale price

$0.00

$5.94
Unit price
per 
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Thru Hull Adapter 1.5" FNPT x 2" Tube
Regular price
$10.49
Sale price

$0.00

$10.49
Unit price
per 
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Pipe Nipple 1.5", NPT Full EP
Regular price
$22.31
Sale price

$0.00

$22.31
Unit price
per 
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