Skip to content
Fat Cat Bait & Fishing Supply (Online Sales Dept)
Fat Cat Bait & Fishing Supply (Online Sales Dept)

Marine Plumbing & Ventilation

  • Original price $8.99
    Original price $8.99 - Original price $8.99
    Original price $8.99
    Current price $6.99
    $6.99 - $6.99
    Current price $6.99

    GROCO Drain Plug w/O-Ring f/ARG Strainer 2009 Newer [ARG-756]

    GROCO
    9 in stock

    Drain Plug for ARG Strainer 2009 & Newer - No O-RingDrain plug W/O O-ring for ARG Strainer. For Strainers older than 2008 use ARG-506.

    Original price $8.99
    Original price $8.99 - Original price $8.99
    Original price $8.99
    Current price $6.99
    $6.99 - $6.99
    Current price $6.99
    Save $2.00 Save $0.00
  • Original price $55.00
    Original price $55.00 - Original price $55.00
    Original price $55.00
    Current price $32.99
    $32.99 - $32.99
    Current price $32.99

    GROCO 1" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1000-W]

    GROCO
    5 in stock

    1" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1" Mater...

    View full details
    Original price $55.00
    Original price $55.00 - Original price $55.00
    Original price $55.00
    Current price $32.99
    $32.99 - $32.99
    Current price $32.99
    Save $22.01 Save $0.00
  • Original price $176.00
    Original price $176.00 - Original price $176.00
    Original price $176.00
    Current price $105.99
    $105.99 - $105.99
    Current price $105.99

    GROCO 1-1/2" NPT Stainless Steel In-Line Ball Valve [IBV-1500-S]

    GROCO
    5 in stock

    1-1/2" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with t...

    View full details
    Original price $176.00
    Original price $176.00 - Original price $176.00
    Original price $176.00
    Current price $105.99
    $105.99 - $105.99
    Current price $105.99
    Save $70.01 Save $0.00
  • Original price $4,870.00
    Original price $4,870.00 - Original price $4,870.00
    Original price $4,870.00
    Current price $2,850.99
    $2,850.99 - $2,850.99
    Current price $2,850.99

    GROCO Paragon Senior 24V Water Pressure System [PWR 24V]

    GROCO
    4 in stock

    Paragon Senior 24V Water Pressure SystemFeatures: Made in the USA Max 11 GPM Operating pressure range 30-50 PSI For yachts over 50' in length Comp...

    View full details
    Original price $4,870.00
    Original price $4,870.00 - Original price $4,870.00
    Original price $4,870.00
    Current price $2,850.99
    $2,850.99 - $2,850.99
    Current price $2,850.99
    Save $2,019.01 Save $0.00
  • Original price $270.00
    Original price $270.00 - Original price $270.00
    Original price $270.00
    Current price $161.99
    $161.99 - $161.99
    Current price $161.99

    GROCO 6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" Return [FV-65038]

    GROCO
    7 in stock

    6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" ReturnFeatures: "L" Flow Pattern Mount feet included C84400 bronze construction Both 1/2" main 3/8" ...

    View full details
    Original price $270.00
    Original price $270.00 - Original price $270.00
    Original price $270.00
    Current price $161.99
    $161.99 - $161.99
    Current price $161.99
    Save $108.01 Save $0.00
  • Original price $4,850.00
    Original price $4,850.00 - Original price $4,850.00
    Original price $4,850.00
    Current price $2,839.99
    $2,839.99 - $2,839.99
    Current price $2,839.99

    GROCO Paragon Senior 12V Water Pressure System [PWR 12V]

    GROCO
    3 in stock

    Paragon Senior 12V Water Pressure SystemFeatures: Made in the USA Max 11 GPM Operating pressure range 30-50 PSI For yachts over 50' in length Comp...

    View full details
    Original price $4,850.00
    Original price $4,850.00 - Original price $4,850.00
    Original price $4,850.00
    Current price $2,839.99
    $2,839.99 - $2,839.99
    Current price $2,839.99
    Save $2,010.01 Save $0.00
  • Original price $588.00
    Original price $588.00 - Original price $588.00
    Original price $588.00
    Current price $352.99
    $352.99 - $352.99
    Current price $352.99

    GROCO Bronze Round Hull Strainer w/Access Door f/Up To 4" Thru-Hull [RSC-4000]

    GROCO
    Only 2 left!

    Bronze Round Hull Strainer with Access Door for Up To 4" Thru-Hull Features:Patented access door design allows easy access to Thru Hulls. C84400 b...

    View full details
    Original price $588.00
    Original price $588.00 - Original price $588.00
    Original price $588.00
    Current price $352.99
    $352.99 - $352.99
    Current price $352.99
    Save $235.01 Save $0.00
  • Original price $79.00
    Original price $79.00 - Original price $79.00
    Original price $79.00
    Current price $47.99
    $47.99 - $47.99
    Current price $47.99

    GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]

    GROCO
    Only 2 left!

    1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications:...

    View full details
    Original price $79.00
    Original price $79.00 - Original price $79.00
    Original price $79.00
    Current price $47.99
    $47.99 - $47.99
    Current price $47.99
    Save $31.01 Save $0.00
  • Original price $214.00
    Original price $214.00 - Original price $214.00
    Original price $214.00
    Current price $128.99
    $128.99 - $128.99
    Current price $128.99

    GROCO Pump Service Kit f/SPO Series Pumps - After 9/2001 [P-10 MASTER]

    GROCO
    5 in stock

    Pump Service KitService kit for GROCO SPO Series Pumps made after September 2001.What's Included? Rotor, 8-Slot (SP-99-A) Blades (8) (SP-98) O-rin...

    View full details
    Original price $214.00
    Original price $214.00 - Original price $214.00
    Original price $214.00
    Current price $128.99
    $128.99 - $128.99
    Current price $128.99
    Save $85.01 Save $0.00
  • Original price $89.00
    Original price $89.00 - Original price $89.00
    Original price $89.00
    Current price $53.99
    $53.99 - $53.99
    Current price $53.99

    GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]

    GROCO
    11 in stock

    1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/...

    View full details
    Original price $89.00
    Original price $89.00 - Original price $89.00
    Original price $89.00
    Current price $53.99
    $53.99 - $53.99
    Current price $53.99
    Save $35.01 Save $0.00
  • Original price $385.00
    Original price $385.00 - Original price $385.00
    Original price $385.00
    Current price $230.99
    $230.99 - $230.99
    Current price $230.99

    GROCO Bronze Vented Loop - 2" Hose [HVL-2000]

    GROCO
    6 in stock

    Bronze Vented Loop - 2" Hose Features: Allows air to enter to break siphon, but does not permit air and odors to escape! Cap is threaded 1/2" NPT ...

    View full details
    Original price $385.00
    Original price $385.00 - Original price $385.00
    Original price $385.00
    Current price $230.99
    $230.99 - $230.99
    Current price $230.99
    Save $154.01 Save $0.00
  • Original price $70.00
    Original price $70.00 - Original price $70.00
    Original price $70.00
    Current price $41.99
    $41.99 - $41.99
    Current price $41.99

    GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

    GROCO
    3 in stock

    1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" ...

    View full details
    Original price $70.00
    Original price $70.00 - Original price $70.00
    Original price $70.00
    Current price $41.99
    $41.99 - $41.99
    Current price $41.99
    Save $28.01 Save $0.00
  • Original price $167.00
    Original price $167.00 - Original price $167.00
    Original price $167.00
    Current price $100.99
    $100.99 - $100.99
    Current price $100.99

    GROCO Bronze Strainer Cap - Fits ARG-1000 ARG-1250 [ARG-1001-C]

    GROCO
    6 in stock

    Bronze Strainer Cap - Fits ARG-1000 & ARG-1250This bronze strainer cap fits GROCO water strainers ARG-1000 and ARG-1250.Specifications:Materia...

    View full details
    Original price $167.00
    Original price $167.00 - Original price $167.00
    Original price $167.00
    Current price $100.99
    $100.99 - $100.99
    Current price $100.99
    Save $66.01 Save $0.00
  • Original price $39.00
    Original price $39.00 - Original price $39.00
    Original price $39.00
    Current price $23.99
    $23.99 - $23.99
    Current price $23.99

    GROCO 3/4" Bronze In-Line Check Valve [CV-75]

    GROCO
    6 in stock

    3/4" Bronze In-Line Check ValveFeatures: C83600 cast bronze construction NPT threaded ports 1/2" - 2" sizes Suitable for use with diesel fuel or g...

    View full details
    Original price $39.00
    Original price $39.00 - Original price $39.00
    Original price $39.00
    Current price $23.99
    $23.99 - $23.99
    Current price $23.99
    Save $15.01 Save $0.00
  • Original price $144.00
    Original price $144.00 - Original price $144.00
    Original price $144.00
    Current price $86.99
    $86.99 - $86.99
    Current price $86.99

    GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]

    GROCO
    Only 2 left!

    1-1/4" Hose Barb Stainless Straight Deck Drain Features: Scuppers are installed flush with the deck and have a removable drain. #316 Stainless Ste...

    View full details
    Original price $144.00
    Original price $144.00 - Original price $144.00
    Original price $144.00
    Current price $86.99
    $86.99 - $86.99
    Current price $86.99
    Save $57.01 Save $0.00
  • Original price $64.00
    Original price $64.00 - Original price $64.00
    Original price $64.00
    Current price $38.99
    $38.99 - $38.99
    Current price $38.99

    GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

    GROCO
    4 in stock

    1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Mat...

    View full details
    Original price $64.00
    Original price $64.00 - Original price $64.00
    Original price $64.00
    Current price $38.99
    $38.99 - $38.99
    Current price $38.99
    Save $25.01 Save $0.00
  • Original price $95.00
    Original price $95.00 - Original price $95.00
    Original price $95.00
    Current price $56.99
    $56.99 - $56.99
    Current price $56.99

    GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

    GROCO
    9 in stock

    1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/...

    View full details
    Original price $95.00
    Original price $95.00 - Original price $95.00
    Original price $95.00
    Current price $56.99
    $56.99 - $56.99
    Current price $56.99
    Save $38.01 Save $0.00
  • Original price $64.00
    Original price $64.00 - Original price $64.00
    Original price $64.00
    Current price $38.99
    $38.99 - $38.99
    Current price $38.99

    GROCO 2"" NPT x 2" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-2000-S]

    GROCO
    Only 1 left!

    2"" NPT x 2" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x Hose connection #316 Stainless Steel Sizes from 1/2" to 3" Stan...

    View full details
    Original price $64.00
    Original price $64.00 - Original price $64.00
    Original price $64.00
    Current price $38.99
    $38.99 - $38.99
    Current price $38.99
    Save $25.01 Save $0.00
  • Original price $38.00
    Original price $38.00 - Original price $38.00
    Original price $38.00
    Current price $22.99
    $22.99 - $22.99
    Current price $22.99

    GROCO 93-2000-02 Stainless Steel Replacement Screen f/APHS-2000 - Size 2 (.125") Perforation Diameter [93-2000-02]

    GROCO
    3 in stock

    Stainless Steel Replacement Screen f/APHS-2000 - Size 2 (.125") Perforation DiameterFeatures: Replacement Screen Stainless Steel Size 2 (.125") Pe...

    View full details
    Original price $38.00
    Original price $38.00 - Original price $38.00
    Original price $38.00
    Current price $22.99
    $22.99 - $22.99
    Current price $22.99
    Save $15.01 Save $0.00
  • Original price $186.00
    Original price $186.00 - Original price $186.00
    Original price $186.00
    Current price $111.99
    $111.99 - $111.99
    Current price $111.99

    GROCO Deck Scupper 90 Degree 1-1/2" Hose Connection [SCUS-1590]

    GROCO
    4 in stock

    Deck Scupper 90 Degree 1-1/2" Hose ConnectionFeatures: 90 Degree Barb Scuppers are installed flush with the deck and have a removable drain. #316 ...

    View full details
    Original price $186.00
    Original price $186.00 - Original price $186.00
    Original price $186.00
    Current price $111.99
    $111.99 - $111.99
    Current price $111.99
    Save $74.01 Save $0.00
  • Original price $180.00
    Original price $180.00 - Original price $180.00
    Original price $180.00
    Current price $107.99
    $107.99 - $107.99
    Current price $107.99

    GROCO 1/2" 5-Port Tank Selector Valve [FV-550-L]

    GROCO
    6 in stock

    1/2" 5-Port Tank Selector ValveFeatures: For fuel or water Bottom port is common  Select between four outlets Full 1/2” flow Audible “click” at ea...

    View full details
    Original price $180.00
    Original price $180.00 - Original price $180.00
    Original price $180.00
    Current price $107.99
    $107.99 - $107.99
    Current price $107.99
    Save $72.01 Save $0.00
  • Original price $331.00
    Original price $331.00 - Original price $331.00
    Original price $331.00
    Current price $198.99
    $198.99 - $198.99
    Current price $198.99

    GROCO ARG-750 Series 3/4" Raw Water Strainer w/Non-Metallic Plastic Basket [ARG-750-P]

    GROCO
    5 in stock

    ARG-750 Series 3/4" Raw Water Strainer with Non-Metallic Plastic BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connection B...

    View full details
    Original price $331.00
    Original price $331.00 - Original price $331.00
    Original price $331.00
    Current price $198.99
    $198.99 - $198.99
    Current price $198.99
    Save $132.01 Save $0.00
  • Original price $1,896.00
    Original price $1,896.00 - Original price $1,896.00
    Original price $1,896.00
    Current price $1,083.99
    $1,083.99 - $1,083.99
    Current price $1,083.99

    GROCO 1-1/2" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1500]

    GROCO
    Only 1 left!

    1-1/2" Ball Valve/Seacock & Raw Water Strainer ComboFeatures: Square hole in handle accepts standard ratchet 1-1/4" sizes and larger include o...

    View full details
    Original price $1,896.00
    Original price $1,896.00 - Original price $1,896.00
    Original price $1,896.00
    Current price $1,083.99
    $1,083.99 - $1,083.99
    Current price $1,083.99
    Save $812.01 Save $0.00
  • Original price $225.00
    Original price $225.00 - Original price $225.00
    Original price $225.00
    Current price $134.99
    $134.99 - $134.99
    Current price $134.99

    GROCO 2" NPT Stainless Steel In-Line Ball Valve [IBV-2000-S]

    GROCO
    5 in stock

    2" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the v...

    View full details
    Original price $225.00
    Original price $225.00 - Original price $225.00
    Original price $225.00
    Current price $134.99
    $134.99 - $134.99
    Current price $134.99
    Save $90.01 Save $0.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare