Collection: Marine Plumbing & Ventilation - Fittings
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![GROCO Backing Block f/3/4" 1" Seacocks [BB-1]](//marineandrvsupply.com/cdn/shop/files/72847XL.jpg?v=1722477282&width=533)
15% offGROCOGROCO Backing Block f/3/4" 1" Seacocks [BB-1]
Backing Block for 3/4" & 1" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull...
$58.99 USD $70.00 USD$58.99 USD$58.99 USD $70.00 USD -
![TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]](//marineandrvsupply.com/cdn/shop/files/84168XL.jpg?v=1722520249&width=533)
30% offT-H Marine SuppliesTH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]
Push-In Drain Plug f/1-1/2" Thru-Hull DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from...
$11.99 USD $17.19 USD$11.99 USD$11.99 USD $17.19 USD -
![Viega MegaPress 316 FKM 1" 90 Degree Elbow [91705]](//marineandrvsupply.com/cdn/shop/files/100594XL.jpg?v=1722594359&width=533)
24% offViegaViega MegaPress 316 FKM 1" 90 Degree Elbow [91705]
MegaPress 316 FKM 1" 90 Degree ElbowFeatures: For use with Sch. 5 to Sch. 40 stainless steel pipe 316 stainless...
$181.99 USD $239.90 USD$181.99 USD$181.99 USD $239.90 USD -
![Viega MegaPress 1" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88390]](//marineandrvsupply.com/cdn/shop/files/84239XL.jpg?v=1722520488&width=533)
10% offViegaViega MegaPress 1" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88390]
MegaPress 1" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology Features: Size: 1" CuNiFe 90/10 Press Connection...
$72.99 USD $81.70 USD$72.99 USD$72.99 USD $81.70 USD -
![GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]](//marineandrvsupply.com/cdn/shop/files/75236XL.jpg?v=1722485484&width=533)
GROCOGROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]
Bronze Pipe Nipple - 3/4" NPT Features: Cast-in wrench flat simplifies installation and removal NPT x NPT Connection C83600 Bronze ...
$17.99 USD$17.99 USD$17.99 USD -
![GROCO 3/8" NPT Bronze Inline Fuel Valve [FV-375]](//marineandrvsupply.com/cdn/shop/files/74410XL.jpg?v=1722482084&width=533)
GROCOGROCO 3/8" NPT Bronze Inline Fuel Valve [FV-375]
3/8" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle...
$27.99 USD$27.99 USD$27.99 USD -
![GROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]](//marineandrvsupply.com/cdn/shop/files/102613XL.jpg?v=1727388048&width=533)
![GROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]](//marineandrvsupply.com/cdn/shop/files/102613BXL.jpg?v=1727388050&width=370)
28% offGROCOGROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]
2-1/2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the...
$402.99 USD $565.00 USD$402.99 USD$402.99 USD $565.00 USD -
![GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]](//marineandrvsupply.com/cdn/shop/files/75396XL.jpg?v=1722486581&width=533)
![GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]](//marineandrvsupply.com/cdn/shop/files/75396BXL.jpg?v=1722486584&width=370)
23% offGROCOGROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]
1-1/4" Hose Barb Stainless 90 Degree Deck Drain Features: 90 Degree Barb Scuppers are installed flush with the deck and have...
$117.99 USD $155.00 USD$117.99 USD$117.99 USD $155.00 USD -
![GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]](//marineandrvsupply.com/cdn/shop/files/74275XL.jpg?v=1722481539&width=533)
GROCOGROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]
1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree Male NPT x...
$27.99 USD$27.99 USD$27.99 USD -
![GROCO 1-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]](//marineandrvsupply.com/cdn/shop/files/74388XL.jpg?v=1722481890&width=533)
![GROCO 1-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]](//marineandrvsupply.com/cdn/shop/files/74388BXL.jpg?v=1722481891&width=370)
25% offGROCOGROCO 1-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]
1-1/2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the...
$143.99 USD $192.00 USD$143.99 USD$143.99 USD $192.00 USD -
![GROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]](//marineandrvsupply.com/cdn/shop/files/74253XL.jpg?v=1722481420&width=533)
GROCOGROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]
1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose connection C83600 Bronze Sizes from 1/2"...
$15.99 USD$15.99 USD$15.99 USD -
![Forespar Marelon Full-Flow Seacock 1" Mushroom Through-Hull [904044ABYC]](//marineandrvsupply.com/cdn/shop/files/68949XL.jpg?v=1722465797&width=533)
21% offForespar Performance ProductsForespar Marelon Full-Flow Seacock 1" Mushroom Through-Hull [904044ABYC]
Marelon Full-Flow Seacock & 1" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom...
$109.99 USD $139.45 USD$109.99 USD$109.99 USD $139.45 USD
![GROCO Backing Block f/3/4" 1" Seacocks [BB-1]](http://marineandrvsupply.com/cdn/shop/files/72847XL.jpg?v=1722477282&width=533)
![TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]](http://marineandrvsupply.com/cdn/shop/files/84168XL.jpg?v=1722520249&width=533)
![Viega MegaPress 316 FKM 1" 90 Degree Elbow [91705]](http://marineandrvsupply.com/cdn/shop/files/100594XL.jpg?v=1722594359&width=533)
![Viega MegaPress 1" Copper Nickel Coupling w/Stop Double Press Connection - Smart Connect Technology [88390]](http://marineandrvsupply.com/cdn/shop/files/84239XL.jpg?v=1722520488&width=533)
![GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]](http://marineandrvsupply.com/cdn/shop/files/75236XL.jpg?v=1722485484&width=533)
![GROCO 3/8" NPT Bronze Inline Fuel Valve [FV-375]](http://marineandrvsupply.com/cdn/shop/files/74410XL.jpg?v=1722482084&width=533)
![GROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]](http://marineandrvsupply.com/cdn/shop/files/102613XL.jpg?v=1727388048&width=533)
![GROCO 2-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2500]](http://marineandrvsupply.com/cdn/shop/files/102613BXL.jpg?v=1727388050&width=370)
![GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]](http://marineandrvsupply.com/cdn/shop/files/75396XL.jpg?v=1722486581&width=533)
![GROCO 1-1/4" Hose Barb Stainless 90 Degree Deck Drain [SCUS-1290]](http://marineandrvsupply.com/cdn/shop/files/75396BXL.jpg?v=1722486584&width=370)
![GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]](http://marineandrvsupply.com/cdn/shop/files/74275XL.jpg?v=1722481539&width=533)
![GROCO 1-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]](http://marineandrvsupply.com/cdn/shop/files/74388XL.jpg?v=1722481890&width=533)
![GROCO 1-1/2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1500]](http://marineandrvsupply.com/cdn/shop/files/74388BXL.jpg?v=1722481891&width=370)
![GROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]](http://marineandrvsupply.com/cdn/shop/files/74253XL.jpg?v=1722481420&width=533)
![Forespar Marelon Full-Flow Seacock 1" Mushroom Through-Hull [904044ABYC]](http://marineandrvsupply.com/cdn/shop/files/68949XL.jpg?v=1722465797&width=533)
