Marine 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.
Ball Valve Position Monitored 1.5" NPS, Black
![]()
- Regular price
- $134.51
- Sale price
-
$134.51$0.00 - Unit price
- per
Sold out
3/4" 2PC NPT THREADED BALL VALVE
![]()
- Regular price
- $25.00
- Sale price
-
$25.00$42.06 - Unit price
- per
Sold out
1/2" 2PC NPT THREADED BALL VALVE
![]()
- Regular price
- $38.71
- Sale price
-
$38.71$0.00 - Unit price
- per
Sold out
Thru Hull Adapter 1" FNPT x 1" Tube
![]()
- Regular price
- $7.35
- Sale price
-
$7.35$0.00 - Unit price
- per
Sold out
Thru Hull Adapter 1.5" FNPT x 2" Tube
![]()
- Regular price
- $12.99
- Sale price
-
$12.99$0.00 - Unit price
- per
Sold out
Ball Valve Position Monitored 2" NPS
![]()
- Regular price
- $247.91
- Sale price
-
$247.91$0.00 - Unit price
- per
Sold out