Collection: Marine Plumbing & Ventilation - Fittings
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![GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1" Thru Hull [SC-1000]](//marineandrvsupply.com/cdn/shop/files/75308XL.jpg?v=1722485929&width=533)
16% offGROCOGROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1" Thru Hull [SC-1000]
Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1" Thru Hull Features: Mount ring design allows easy access to...
$60.99 USD $73.00 USD$60.99 USD$60.99 USD $73.00 USDOnly 3 units left -
![T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]](//marineandrvsupply.com/cdn/shop/files/94366XL.jpg?v=1722562476&width=533)
T-H Marine SuppliesT-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]
Straight Barbed All-Purpose Drain - White1-3/8" White Concaive Head Drain. These molded drains, available in straight and 90-degree versions, offer...
$15.99 USD $0.00 USD$15.99 USD$15.99 USD $0.00 USD21 in stock -
![Dometic MSD Fitting f/Small Tank 970 Series [385320006]](//marineandrvsupply.com/cdn/shop/files/69131XL.jpg?v=1785369997&width=533)
DometicDometic MSD Fitting f/Small Tank 970 Series [385320006]
MSD Fitting f/Small Tank 970 Series ToiletsReplaces MSD fittings for Series 974 MSD models. Converts Series 972 and 974 -...
$39.99 USD $0.00 USD$39.99 USD$39.99 USD $0.00 USDOnly 2 units left -
![Dometic Duck Bill Valve Kit - 1-1/2" [385310076]](//marineandrvsupply.com/cdn/shop/files/57163XL.jpg?v=1785369996&width=533)
DometicDometic Duck Bill Valve Kit - 1-1/2" [385310076]
Duck Bill Valve Kit - 1-1/2"The Dometic™ Duck Bill Valves Kit comes with two (2) 1 ½” duck bill valves...
$60.99 USD $0.00 USD$60.99 USD$60.99 USD $0.00 USD23 in stock -
![Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]](//marineandrvsupply.com/cdn/shop/files/39205XL.jpg?v=1722401837&width=533)
49% offPerkoPerko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]
Perko 1-1/4" Seacock Ball Valve BronzeThese valve bodies are offered to meet the needs of applications thatrequire extra long, scoop...
$237.99 USD $472.12 USD$237.99 USD$237.99 USD $472.12 USDOnly 3 units left -
![Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]](//marineandrvsupply.com/cdn/shop/files/39132XL.jpg?v=1722401391&width=533)
8% offPerkoPerko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]
Perko 3/4" Pipe To Hose Adapter 90 Degree BronzeCast BronzeCast hex for easier installationCurved 90 degreesTechnical Information: Pipe Size Inches:...
$28.99 USD $31.73 USD$28.99 USD$28.99 USD $31.73 USDOnly 2 units left -
![Perko 4" Round Bronze Strainer MADE IN THE USA [0086DP4PLB]](//marineandrvsupply.com/cdn/shop/files/39162XL.jpg?v=1722401561&width=533)
33% offPerkoPerko 4" Round Bronze Strainer MADE IN THE USA [0086DP4PLB]
Perko 4" Round Bronze StrainerCast bronzeDrilled holesTechnical Information: For Thru-Hull Size Inches: 1-1/4 & 1-1/2 O.D. Inches: 4 I.D. Inches:...
$36.99 USD $55.39 USD$36.99 USD$36.99 USD $55.39 USDOnly 8 units left -
![GROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]](//marineandrvsupply.com/cdn/shop/files/74195XL.jpg?v=1722481165&width=533)
12% offGROCOGROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]
1/4" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use...
$49.99 USD $57.00 USD$49.99 USD$49.99 USD $57.00 USDOnly 3 units left -
![GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]](//marineandrvsupply.com/cdn/shop/files/72848XL.jpg?v=1722477291&width=533)
18% offGROCOGROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]
Backing Block for 1-1/4" & 1-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull...
$72.99 USD $90.00 USD$72.99 USD$72.99 USD $90.00 USDOnly 9 units left -
![GROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]](//marineandrvsupply.com/cdn/shop/files/74387XL.jpg?v=1722481879&width=533)
![GROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]](//marineandrvsupply.com/cdn/shop/files/74387BXL.jpg?v=1722481881&width=370)
24% offGROCOGROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]
1-1/4" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the...
$127.99 USD $169.00 USD$127.99 USD$127.99 USD $169.00 USDOnly 10 units left -
![Attwood Drain Plug And Receiver Kit - 3/4" Diameter [17211-3]](//marineandrvsupply.com/cdn/shop/files/98111XL.jpg?v=1783711371&width=533)
Attwood MarineAttwood Drain Plug And Receiver Kit - 3/4" Diameter [17211-3]
Drain Plug And Receiver Kit - 3/4" DiameterThe Attwood Drain Plug and Receiver Kit ensures that a drain is closed...
$16.99 USD $0.00 USD$16.99 USD$16.99 USD $0.00 USDOnly 5 units left -
![GROCO 1" Bronze Pipe Nipple Check Valve [PNC-1000]](//marineandrvsupply.com/cdn/shop/files/74249XL.jpg?v=1722481386&width=533)
2% offGROCOGROCO 1" Bronze Pipe Nipple Check Valve [PNC-1000]
1" Bronze Pipe Nipple Check ValveFeatures: C83600 cast bronze construction NPT threads 1/2" - 2" sizes Not suitable for use...
$34.99 USD $36.00 USD$34.99 USD$34.99 USD $36.00 USDOnly 9 units left
![GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1" Thru Hull [SC-1000]](http://marineandrvsupply.com/cdn/shop/files/75308XL.jpg?v=1722485929&width=533)
![T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]](http://marineandrvsupply.com/cdn/shop/files/94366XL.jpg?v=1722562476&width=533)
![Dometic MSD Fitting f/Small Tank 970 Series [385320006]](http://marineandrvsupply.com/cdn/shop/files/69131XL.jpg?v=1785369997&width=533)
![Dometic Duck Bill Valve Kit - 1-1/2" [385310076]](http://marineandrvsupply.com/cdn/shop/files/57163XL.jpg?v=1785369996&width=533)
![Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]](http://marineandrvsupply.com/cdn/shop/files/39205XL.jpg?v=1722401837&width=533)
![Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]](http://marineandrvsupply.com/cdn/shop/files/39132XL.jpg?v=1722401391&width=533)
![Perko 4" Round Bronze Strainer MADE IN THE USA [0086DP4PLB]](http://marineandrvsupply.com/cdn/shop/files/39162XL.jpg?v=1722401561&width=533)
![GROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]](http://marineandrvsupply.com/cdn/shop/files/74195XL.jpg?v=1722481165&width=533)
![GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]](http://marineandrvsupply.com/cdn/shop/files/72848XL.jpg?v=1722477291&width=533)
![GROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]](http://marineandrvsupply.com/cdn/shop/files/74387XL.jpg?v=1722481879&width=533)
![GROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]](http://marineandrvsupply.com/cdn/shop/files/74387BXL.jpg?v=1722481881&width=370)
![Attwood Drain Plug And Receiver Kit - 3/4" Diameter [17211-3]](http://marineandrvsupply.com/cdn/shop/files/98111XL.jpg?v=1783711371&width=533)
![GROCO 1" Bronze Pipe Nipple Check Valve [PNC-1000]](http://marineandrvsupply.com/cdn/shop/files/74249XL.jpg?v=1722481386&width=533)
