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Welcome to First Stop Marine, Your one stop shop for all of your boating needs and more!

Family Owned and Operated

Collection: Marine Plumbing & Ventilation

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Accessories (72 products)
Air Conditioning (1 products)
Ballast Pumps (1 products)
Bilge Pumps (28 products)
Blowers & Heaters (3 products)
Engine Cooling Pumps (2 products)
Fans (4 products)
Fittings (254 products)
Hose (8 products)
Hot Water Heaters (7 products)
Impellers (7 products)
Livewell Pumps (14 products)
Marine Sanitation (49 products)
Monitoring System (4 products)
Portable Toilets (8 products)
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Boat Outfitting (17 products)
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Brand_Albin Group (9 products)
Brand_Attwood Marine (3 products)
Brand_Beckson Marine (6 products)
Brand_BILGE-B-DRY (4 products)
Brand_Camco (1 products)
Brand_Digital Yacht (1 products)
Brand_Dometic (24 products)
Brand_Ecofan by Caframo (1 products)
Brand_Forespar Performance Products (3 products)
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Brand_GROCO (28 products)
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Brand_Johnson Pump (38 products)
Brand_Kuuma Products (4 products)
Brand_Mopeka (7 products)
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Brand_Quick (6 products)
Brand_Raritan (37 products)
Brand_Rule (6 products)
Brand_Scandvik (6 products)
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Brand_Shurflo by Pentair (14 products)
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Brand_Viega (230 products)
Brand_Whale Marine (13 products)
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Camping (5 products)
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Engine Parts & Service | Accessories (9 products)
Engine Parts & Service | Exhaust Hose (2 products)
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Hunting & Fishing | Bait Management (2 products)
MAP (17 products)
Marine Hardware (2 products)
Marine Hardware | Deck Fills (2 products)
Marine Plumbing & Ventilation (493 products)
Marine Plumbing & Ventilation | Accessories (71 products)
Marine Plumbing & Ventilation | Air Conditioning (2 products)
Marine Plumbing & Ventilation | Ballast Pumps (1 products)
Marine Plumbing & Ventilation | Bilge Pumps (28 products)
Marine Plumbing & Ventilation | Blowers & Heaters (3 products)
Marine Plumbing & Ventilation | Engine Cooling Pumps (2 products)
Marine Plumbing & Ventilation | Fans (5 products)
Marine Plumbing & Ventilation | Fittings (254 products)
Marine Plumbing & Ventilation | Hose (8 products)
Marine Plumbing & Ventilation | Hot Water Heaters (7 products)
Marine Plumbing & Ventilation | Impellers (7 products)
Marine Plumbing & Ventilation | Livewell Pumps (14 products)
Marine Plumbing & Ventilation | Marine Sanitation (52 products)
Marine Plumbing & Ventilation | Monitoring System (4 products)
Marine Plumbing & Ventilation | Portable Toilets (8 products)
Marine Plumbing & Ventilation | Strainers & Baskets (9 products)
Marine Plumbing & Ventilation | Thru-Hull Fittings (4 products)
Marine Plumbing & Ventilation | Tools (2 products)
Marine Plumbing & Ventilation | Transfer Pumps (4 products)
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493 products

GROCO 2" Bronze NPS to NPT Flange Adapter [IBVF-2000]

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GROCO 2" Bronze NPS to NPT Flange Adapter [IBVF-2000]

Vendor:
GROCO

Regular price $88.99 USD

Regular price ~~$118.00 USD~~ Sale price $88.99 USD
Unit price per

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Rule Replacement Garden Hose Adapter [68]

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Rule Replacement Garden Hose Adapter [68]

Vendor:
Rule

Regular price $11.99 USD

Regular price ~~$12.99 USD~~ Sale price $11.99 USD
Unit price per

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

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

Vendor:
GROCO

Regular price $785.99 USD

Regular price ~~$1,164.00 USD~~ Sale price $785.99 USD
Unit price per

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GROCO 3/4" NPT Stainless Steel In-Line Ball Valve [IBV-750-S]

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GROCO 3/4" NPT Stainless Steel In-Line Ball Valve [IBV-750-S]

Vendor:
GROCO

Regular price $59.99 USD

Regular price ~~$80.00 USD~~ Sale price $59.99 USD
Unit price per

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

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

Vendor:
GROCO

Regular price $130.99 USD

Regular price ~~$174.00 USD~~ Sale price $130.99 USD
Unit price per

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Whale Accumulator Pump Kit - 12V - 10A - 22PSI [UF2214]

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Whale Accumulator Pump Kit - 12V - 10A - 22PSI [UF2214]

Vendor:
Whale Marine

Regular price $288.99 USD

Regular price ~~$359.99 USD~~ Sale price $288.99 USD
Unit price per

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Whale Gulper MK2 Toilet Pump - 24V [BP2654]

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Whale Gulper MK2 Toilet Pump - 24V [BP2654]

Vendor:
Whale Marine

Regular price $342.99 USD

Regular price ~~$397.83 USD~~ Sale price $342.99 USD
Unit price per

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GROCO 93-1250-01 Stainless Steel Replacement Screen f/APHS-1250 - Size 1 (.077") Perforation Diameter [93-1250-01]

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GROCO 93-1250-01 Stainless Steel Replacement Screen f/APHS-1250 - Size 1 (.077") Perforation Diameter [93-1250-01]

Vendor:
GROCO

Regular price $22.99 USD

Regular price ~~$30.00 USD~~ Sale price $22.99 USD
Unit price per

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GROCO 1-1/2" Inlet Hydromatic Self-Cleaning Strainer - 12V [970-1500-12]

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GROCO 1-1/2" Inlet Hydromatic Self-Cleaning Strainer - 12V [970-1500-12]

Vendor:
GROCO

Regular price $2,714.99 USD

Regular price ~~$4,424.00 USD~~ Sale price $2,714.99 USD
Unit price per

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GROCO 1-1/2" Safety Seacock w/1-1/4" Side Port [SBV-1500-P]

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GROCO 1-1/2" Safety Seacock w/1-1/4" Side Port [SBV-1500-P]

Vendor:
GROCO

Regular price $664.99 USD

Regular price ~~$984.00 USD~~ Sale price $664.99 USD
Unit price per

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GROCO 1-1/4" Bronze Electric Flanged Seacock - 12V [FBVE-1250 12V]

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GROCO 1-1/4" Bronze Electric Flanged Seacock - 12V [FBVE-1250 12V]

Vendor:
GROCO

Regular price $1,597.99 USD

Regular price ~~$2,367.00 USD~~ Sale price $1,597.99 USD
Unit price per

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GROCO 1-1/2" Bronze Electric Flanged Seacock - 12V [FBVE-1500 12V]

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GROCO 1-1/2" Bronze Electric Flanged Seacock - 12V [FBVE-1500 12V]

Vendor:
GROCO

Regular price $1,503.99 USD

Regular price ~~$2,450.00 USD~~ Sale price $1,503.99 USD
Unit price per

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GROCO 1-1/2" Bronze Flanged Full Flow Seacock [BV-1500]

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GROCO 1-1/2" Bronze Flanged Full Flow Seacock [BV-1500]

Vendor:
GROCO

Regular price $371.99 USD

Regular price ~~$606.00 USD~~ Sale price $371.99 USD
Unit price per

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Albin Group Marine Gear Pump Oil Change Kit - 12V [04-03-009]

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Albin Group Marine Gear Pump Oil Change Kit - 12V [04-03-009]

Vendor:
Albin Group

Regular price $148.99 USD

Regular price ~~$204.87 USD~~ Sale price $148.99 USD
Unit price per

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Whale Gusher Foot Operated Galley Pump Right Handed Lever [GP0550]

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Whale Gusher Foot Operated Galley Pump Right Handed Lever [GP0550]

Vendor:
Whale Marine

Regular price $125.99 USD

Regular price ~~$165.90 USD~~ Sale price $125.99 USD
Unit price per

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Rule 1100 Replacement Motor F/ Tournament Series Livewell Pump [47DR]

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Rule 1100 Replacement Motor F/ Tournament Series Livewell Pump [47DR]

Vendor:
Rule

Regular price $51.99 USD

Regular price ~~$62.99 USD~~ Sale price $51.99 USD
Unit price per

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SEEKR by Caframo Ultimate 757 12V 2-Speed 7" Fan - Direct Wire - White [757DCWBX]

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SEEKR by Caframo Ultimate 757 12V 2-Speed 7" Fan - Direct Wire - White [757DCWBX]

Vendor:
SEEKR by Caframo

Regular price $54.00 USD

Regular price ~~$64.99 USD~~ Sale price $54.00 USD
Unit price per

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Sea-Dog Stainless Impeller Puller - Large [660020-1]

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Sea-Dog Stainless Impeller Puller - Large [660020-1]

Vendor:
Sea-Dog

Regular price $80.99 USD

Regular price ~~$106.15 USD~~ Sale price $80.99 USD
Unit price per

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Quick Thermostat f/Nautic Boilers [FVSLTB152700A00]

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Quick Thermostat f/Nautic Boilers [FVSLTB152700A00]

Vendor:
Quick

Regular price $66.99 USD

Regular price ~~$82.06 USD~~ Sale price $66.99 USD
Unit price per

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Shurflo by Pentair Swivel Nut Strainer - 1/2" Pipe Inlet - Clear Bowl [255-315]

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Shurflo by Pentair Swivel Nut Strainer - 1/2" Pipe Inlet - Clear Bowl [255-315]

Vendor:
Shurflo by Pentair

Regular price $18.99 USD

Regular price ~~$20.01 USD~~ Sale price $18.99 USD
Unit price per

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Shurflo by Pentair PIRANHA Livewell 600 Pump - 12 VDC, 600 GPH [357-013-10]

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Shurflo by Pentair PIRANHA Livewell 600 Pump - 12 VDC, 600 GPH [357-013-10]

Vendor:
Shurflo by Pentair

Regular price $63.99 USD

Regular price ~~$77.53 USD~~ Sale price $63.99 USD
Unit price per

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Trident Marine 5/8" x 50' Box Polyester Reinforced Air Conditioning Hose [169-0586]

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Trident Marine 5/8" x 50' Box Polyester Reinforced Air Conditioning Hose [169-0586]

Vendor:
Trident Marine

Regular price $74.99 USD

Regular price ~~$103.41 USD~~ Sale price $74.99 USD
Unit price per

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Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046ABYC]

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Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046ABYC]

Vendor:
Forespar Performance Products

Regular price $138.99 USD

Regular price ~~$179.45 USD~~ Sale price $138.99 USD
Unit price per

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Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (3/4" 1-1/8") Clamping Range - 10-Pack - SAE Size 10 [710-0581]

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Trident Marine 316 SS Non-Perforated Worm Gear Hose Clamp - 15/32" Band - (3/4" 1-1/8") Clamping Range - 10-Pack - SAE Size 10 [710-0581]

Vendor:
Trident Marine

Regular price $24.99 USD

Regular price ~~$34.52 USD~~ Sale price $24.99 USD
Unit price per

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