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  • Original price $81.70
    Original price $81.70 - Original price $81.70
    Original price $81.70
    Current price $61.74
    $61.74 - $61.74
    Current price $61.74

    GROCO 1" #316 Stainless Steel NPS to NPT Flange Adapter [IBVF-1000-S]

    GROCO
    Only 2 left!

    1" #316 Stainless Steel NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several common problems in the marine indust...

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    Original price $81.70
    Original price $81.70 - Original price $81.70
    Original price $81.70
    Current price $61.74
    $61.74 - $61.74
    Current price $61.74
    Sale Sale
  • Original price $63.65
    Original price $63.65 - Original price $63.65
    Original price $63.65
    Current price $48.44
    $48.44 - $48.44
    Current price $48.44

    GROCO 1" 90 Degree Hose Thru-Hull Fitting [HTHC-1000-S]

    GROCO
    Only 9 left!

    1" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specificat...

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    Original price $63.65
    Original price $63.65 - Original price $63.65
    Original price $63.65
    Current price $48.44
    $48.44 - $48.44
    Current price $48.44
    Sale Sale
  • Original price $1,051.65
    Original price $1,051.65 - Original price $1,051.65
    Original price $1,051.65
    Current price $701.09
    $701.09 - $701.09
    Current price $701.09

    GROCO 1" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1000]

    GROCO
    Out of stock

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

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    Original price $1,051.65
    Original price $1,051.65 - Original price $1,051.65
    Original price $1,051.65
    Current price $701.09
    $701.09 - $701.09
    Current price $701.09
    Sold out
  • Original price $57.00
    Original price $57.00 - Original price $57.00
    Original price $57.00
    Current price $42.74
    $42.74 - $42.74
    Current price $42.74

    GROCO 1" Bronze Combo Scoop Thru-Hull w/Nut [STH-1000-W]

    GROCO
    10+ In Stock

    1" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 B...

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    Original price $57.00
    Original price $57.00 - Original price $57.00
    Original price $57.00
    Current price $42.74
    $42.74 - $42.74
    Current price $42.74
    Sale Sale
  • Original price $2,427.25
    Original price $2,427.25 - Original price $2,427.25
    Original price $2,427.25
    Current price $1,551.34
    $1,551.34 - $1,551.34
    Current price $1,551.34

    GROCO 1" Bronze Electric Flanged Seacock - 12V [FBVE-1000 12V]

    GROCO
    Out of stock

    1" Bronze Electric Flanged Seacock - 12VFeatures: Motorized (12V or 24V) valve operation for seacock sizes 3/4" to 3" (4" and 5" available soon) M...

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    Original price $2,427.25
    Original price $2,427.25 - Original price $2,427.25
    Original price $2,427.25
    Current price $1,551.34
    $1,551.34 - $1,551.34
    Current price $1,551.34
    Sold out
  • Original price $2,436.75
    Original price $2,436.75 - Original price $2,436.75
    Original price $2,436.75
    Current price $1,557.04
    $1,557.04 - $1,557.04
    Current price $1,557.04

    GROCO 1" Bronze Electric Flanged Seacock - 24V [FBVE-1000 24V]

    GROCO
    Out of stock

    1" Bronze Electric Flanged Seacock - 24VFeatures: Motorized (12V or 24V) valve operation for seacock sizes 3/4" to 3" (4" and 5" available soon) M...

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    Original price $2,436.75
    Original price $2,436.75 - Original price $2,436.75
    Original price $2,436.75
    Current price $1,557.04
    $1,557.04 - $1,557.04
    Current price $1,557.04
    Sold out
  • Original price $53.20
    Original price $53.20 - Original price $53.20
    Original price $53.20
    Current price $39.89
    $39.89 - $39.89
    Current price $39.89

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

    GROCO
    Only 1 left!

    1" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag E...

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    Original price $53.20
    Original price $53.20 - Original price $53.20
    Original price $53.20
    Current price $39.89
    $39.89 - $39.89
    Current price $39.89
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  • Original price $47.50
    Original price $47.50 - Original price $47.50
    Original price $47.50
    Current price $36.09
    $36.09 - $36.09
    Current price $36.09

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

    GROCO
    Only 3 left!

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

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    Original price $47.50
    Original price $47.50 - Original price $47.50
    Original price $47.50
    Current price $36.09
    $36.09 - $36.09
    Current price $36.09
    Sale Sale
  • Original price $379.05
    Original price $379.05 - Original price $379.05
    Original price $379.05
    Current price $264.09
    $264.09 - $264.09
    Current price $264.09

    GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]

    GROCO
    Only 2 left!

    1" Bronze Flanged Full Flow SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in t...

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    Original price $379.05
    Original price $379.05 - Original price $379.05
    Original price $379.05
    Current price $264.09
    $264.09 - $264.09
    Current price $264.09
    Sale Sale
  • Original price $31.35
    Original price $31.35 - Original price $31.35
    Original price $31.35
    Current price $26.59
    $26.59 - $26.59
    Current price $26.59

    GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]

    GROCO
    10+ In Stock

    1" Bronze High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT c...

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    Original price $31.35
    Original price $31.35 - Original price $31.35
    Original price $31.35
    Current price $26.59
    $26.59 - $26.59
    Current price $26.59
    Sale Sale
  • Original price $44.65
    Original price $44.65 - Original price $44.65
    Original price $44.65
    Current price $34.19
    $34.19 - $34.19
    Current price $34.19

    GROCO 1" Bronze In-Line Check Valve [CV-100]

    GROCO
    Only 4 left!

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

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    Original price $44.65
    Original price $44.65 - Original price $44.65
    Original price $44.65
    Current price $34.19
    $34.19 - $34.19
    Current price $34.19
    Sale Sale
  • Original price $59.85
    Original price $59.85 - Original price $59.85
    Original price $59.85
    Current price $45.59
    $45.59 - $45.59
    Current price $45.59

    GROCO 1" Bronze NPS to NPT Flange Adapter [IBVF-1000]

    GROCO
    Only 6 left!

    1" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several common problems in the marine industry.  Features:...

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    Original price $59.85
    Original price $59.85 - Original price $59.85
    Original price $59.85
    Current price $45.59
    $45.59 - $45.59
    Current price $45.59
    Sale Sale
  • Original price $35.15
    Original price $35.15 - Original price $35.15
    Original price $35.15
    Current price $29.44
    $29.44 - $29.44
    Current price $29.44

    GROCO 1" Bronze Pipe Nipple Check Valve [PNC-1000]

    GROCO
    10+ In Stock

    1" Bronze Pipe Nipple Check ValveFeatures: C83600 cast bronze construction NPT threads 1/2" - 2" sizes Not suitable for use with diesel fuel or ga...

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    Original price $35.15
    Original price $35.15 - Original price $35.15
    Original price $35.15
    Current price $29.44
    $29.44 - $29.44
    Current price $29.44
    Sale Sale
  • Original price $104.50
    Original price $104.50 - Original price $104.50
    Original price $104.50
    Current price $75.04
    $75.04 - $75.04
    Current price $75.04

    GROCO 1" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1000]

    GROCO
    Only 7 left!

    1" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve...

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    Original price $104.50
    Original price $104.50 - Original price $104.50
    Original price $104.50
    Current price $75.04
    $75.04 - $75.04
    Current price $75.04
    Sale Sale
  • Original price $175.75
    Original price $175.75 - Original price $175.75
    Original price $175.75
    Current price $122.54
    $122.54 - $122.54
    Current price $122.54

    GROCO 1" Engine Flush Kit Adaptor [SSC-1000]

    GROCO
    Out of stock

    1" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC ...

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    Original price $175.75
    Original price $175.75 - Original price $175.75
    Original price $175.75
    Current price $122.54
    $122.54 - $122.54
    Current price $122.54
    Sold out
  • Original price $86.45
    Original price $86.45 - Original price $86.45
    Original price $86.45
    Current price $65.54
    $65.54 - $65.54
    Current price $65.54

    GROCO 1" Fresh Water Strainer w/#304 SS Basket [WSB-1000]

    GROCO
    Out of stock

    1" Fresh Water Strainer w/#304 SS Basket Features: Protect fresh water pumps from debris.   White nylon strainer head and clear plastic sight glas...

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    Original price $86.45
    Original price $86.45 - Original price $86.45
    Original price $86.45
    Current price $65.54
    $65.54 - $65.54
    Current price $65.54
    Sold out
  • Original price $91.20
    Original price $91.20 - Original price $91.20
    Original price $91.20
    Current price $68.39
    $68.39 - $68.39
    Current price $68.39

    GROCO 1" Fresh Water Strainer w/Plastic Basket [WSB-1000-P]

    GROCO
    Only 5 left!

    1" Fresh Water Strainer with Plastic Basket Features: Protect fresh water pumps from debris.   White nylon strainer head and clear plastic sight g...

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    Original price $91.20
    Original price $91.20 - Original price $91.20
    Original price $91.20
    Current price $68.39
    $68.39 - $68.39
    Current price $68.39
    Sale Sale
  • Original price $31.35
    Original price $31.35 - Original price $31.35
    Original price $31.35
    Current price $26.59
    $26.59 - $26.59
    Current price $26.59

    GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

    GROCO
    10+ In Stock

    1" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Avail...

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    Original price $31.35
    Original price $31.35 - Original price $31.35
    Original price $31.35
    Current price $26.59
    $26.59 - $26.59
    Current price $26.59
    Sale Sale
  • Original price $57.00
    Original price $57.00 - Original price $57.00
    Original price $57.00
    Current price $42.74
    $42.74 - $42.74
    Current price $42.74

    GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]

    GROCO
    Out of stock

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

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    Original price $57.00
    Original price $57.00 - Original price $57.00
    Original price $57.00
    Current price $42.74
    $42.74 - $42.74
    Current price $42.74
    Sold out
  • Original price $19.95
    Original price $19.95 - Original price $19.95
    Original price $19.95
    Current price $17.09
    $17.09 - $17.09
    Current price $17.09

    GROCO 1" NPT Bronze 45 Degree Pipe to 1" Hose [PTHD-1000]

    GROCO
    Only 10 left!

    1" NPT Bronze 45 Degree Pipe to 1" Hose Features: 45 degree Male NPT x Hose connection C83600 Bronze Standard Flow UL Listed 647B Note- C83600 bro...

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    Original price $19.95
    Original price $19.95 - Original price $19.95
    Original price $19.95
    Current price $17.09
    $17.09 - $17.09
    Current price $17.09
    Sale Sale
  • Original price $68.40
    Original price $68.40 - Original price $68.40
    Original price $68.40
    Current price $51.29
    $51.29 - $51.29
    Current price $51.29

    GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]

    GROCO
    Only 9 left!

    1" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with ...

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    Original price $68.40
    Original price $68.40 - Original price $68.40
    Original price $68.40
    Current price $51.29
    $51.29 - $51.29
    Current price $51.29
    Sale Sale
  • Original price $79.80
    Original price $79.80 - Original price $79.80
    Original price $79.80
    Current price $59.84
    $59.84 - $59.84
    Current price $59.84

    GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]

    GROCO
    Only 6 left!

    1" 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...

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    Original price $79.80
    Original price $79.80 - Original price $79.80
    Original price $79.80
    Current price $59.84
    $59.84 - $59.84
    Current price $59.84
    Sale Sale
  • Original price $21.85
    Original price $21.85 - Original price $21.85
    Original price $21.85
    Current price $18.99
    $18.99 - $18.99
    Current price $18.99

    GROCO 1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1000]

    GROCO
    10+ In Stock

    1" NPT x 1" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree Male NPT x Hose connection C83600 Bronze Sizes from 1/...

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    Original price $21.85
    Original price $21.85 - Original price $21.85
    Original price $21.85
    Current price $18.99
    $18.99 - $18.99
    Current price $18.99
    Sale Sale
  • Original price $12.35
    Original price $12.35 - Original price $12.35
    Original price $12.35
    Current price $10.44
    $10.44 - $10.44
    Current price $10.44

    GROCO 1" NPT x 1" ID Bronze Pipe to Hose Straight Fitting [PTH-1000]

    GROCO
    Only 9 left!

    1" NPT x 1" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 5" Standard Flow UL Liste...

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    Original price $12.35
    Original price $12.35 - Original price $12.35
    Original price $12.35
    Current price $10.44
    $10.44 - $10.44
    Current price $10.44
    Sale Sale

FAQ

When will my order ship?

Orders placed before 5 P:M EST, qualify for same-day shipping.

Do you still sell out of stock items?

Yes, we can sell out-of-stock and discontinued items.

How long is the delivery period?

Most orders will be delivered within 1-3 business days.