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

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Collection: Marine Plumbing & Ventilation - Fittings

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Marine Hardware | Deck Fills (12 products)
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Marine Plumbing & Ventilation | Fittings (253 products)
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253 products

Perko 3/4" Pipe to Hose Adapter Straight Bronze MADE IN THE USA [0076DP5PLB]

Sale

Perko 3/4" Pipe to Hose Adapter Straight Bronze MADE IN THE USA [0076DP5PLB]

Vendor:
Perko

Regular price $13.99 USD

Regular price ~~$19.15 USD~~ Sale price $13.99 USD
Unit price per

Sale
GROCO 3" Full Flow Ball Valve [FBV-3000]

Sale

GROCO 3" Full Flow Ball Valve [FBV-3000]

Vendor:
GROCO

Regular price $596.99 USD

Regular price ~~$796.00 USD~~ Sale price $596.99 USD
Unit price per

Sale
GROCO 2-1/2" NPT Bronze 45 Degree Pipe to 2-1/2" Hose [PTHD-2500]

Sale

GROCO 2-1/2" NPT Bronze 45 Degree Pipe to 2-1/2" Hose [PTHD-2500]

Vendor:
GROCO

Regular price $92.99 USD

Regular price ~~$124.00 USD~~ Sale price $92.99 USD
Unit price per

Sale
GROCO 1/2" NPT Bronze Inline Fuel Valve [FV-500]

Sale

GROCO 1/2" NPT Bronze Inline Fuel Valve [FV-500]

Vendor:
GROCO

Regular price $32.99 USD

Regular price ~~$44.00 USD~~ Sale price $32.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 1" Union [91935]

Sale

Viega MegaPress 316 FKM 1" Union [91935]

Vendor:
Viega

Regular price $521.99 USD

Regular price ~~$675.57 USD~~ Sale price $521.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM MPT Adapter - 1" x 1" (MPT) [91220]

Sale

Viega MegaPress 316 FKM MPT Adapter - 1" x 1" (MPT) [91220]

Vendor:
Viega

Regular price $115.99 USD

Regular price ~~$149.62 USD~~ Sale price $115.99 USD
Unit price per

Sale
Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]

Sale

Perko 3/4" Pipe To Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP5PLB]

Vendor:
Perko

Regular price $20.99 USD

Regular price ~~$31.73 USD~~ Sale price $20.99 USD
Unit price per

Sale
Perko 1-1/2" Seacock Ball Valve Bronze MADE IN THE USA [0805008PLB]

Sale

Perko 1-1/2" Seacock Ball Valve Bronze MADE IN THE USA [0805008PLB]

Vendor:
Perko

Regular price $305.99 USD

Regular price ~~$580.12 USD~~ Sale price $305.99 USD
Unit price per

Sale
GROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]

Sale

GROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]

Vendor:
GROCO

Regular price $68.99 USD

Regular price ~~$91.00 USD~~ Sale price $68.99 USD
Unit price per

Sale
Attwood Snap-Handle Stainless Steel Drain Plug - 1" Diameter [7520A3]

Attwood Snap-Handle Stainless Steel Drain Plug - 1" Diameter [7520A3]

Vendor:
Attwood Marine

Regular price $13.99 USD

Regular price ~~$0.00 USD~~ Sale price $13.99 USD
Unit price per
Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]

Sale

Perko 1-1/4" Seacock Ball Valve Bronze MADE IN THE USA [0805007PLB]

Vendor:
Perko

Regular price $245.99 USD

Regular price ~~$472.12 USD~~ Sale price $245.99 USD
Unit price per

Sale
Scandvik 3/8" BSP x 1/2" NPT - Brass [10002]

Sale

Scandvik 3/8" BSP x 1/2" NPT - Brass [10002]

Vendor:
Scandvik

Regular price $17.99 USD

Regular price ~~$23.25 USD~~ Sale price $17.99 USD
Unit price per

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

Sale

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

Vendor:
GROCO

Regular price $38.99 USD

Regular price ~~$52.00 USD~~ Sale price $38.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 1-1/4" Coupling w/Stop [91115]

Sale

Viega MegaPress 316 FKM 1-1/4" Coupling w/Stop [91115]

Vendor:
Viega

Regular price $111.99 USD

Regular price ~~$144.97 USD~~ Sale price $111.99 USD
Unit price per

Sale
Whitecap S.S. Faucet 2-3/16" Base 3-3/16" Depth [P-2456C]

Whitecap S.S. Faucet 2-3/16" Base 3-3/16" Depth [P-2456C]

Vendor:
Whitecap

Regular price $83.99 USD

Regular price ~~$0.00 USD~~ Sale price $83.99 USD
Unit price per
Perko 4" Round Bronze Strainer MADE IN THE USA [0086DP4PLB]

Sale

Perko 4" Round Bronze Strainer MADE IN THE USA [0086DP4PLB]

Vendor:
Perko

Regular price $28.99 USD

Regular price ~~$55.39 USD~~ Sale price $28.99 USD
Unit price per

Sale
Perko 1-1/2" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP8PLB]

Sale

Perko 1-1/2" Pipe to Hose Adapter 90 Degree Bronze MADE IN THE USA [0063DP8PLB]

Vendor:
Perko

Regular price $46.99 USD

Regular price ~~$77.97 USD~~ Sale price $46.99 USD
Unit price per

Sale
GROCO Bronze Pipe Nipple - 1-1/4" NPT [PN-1250]

Sale

GROCO Bronze Pipe Nipple - 1-1/4" NPT [PN-1250]

Vendor:
GROCO

Regular price $26.99 USD

Regular price ~~$35.00 USD~~ Sale price $26.99 USD
Unit price per

Sale
Perko Gas Fill w/ Locking Cap f/ 1-1/2" Hose [0599DPGCHR]

Sale

Perko Gas Fill w/ Locking Cap f/ 1-1/2" Hose [0599DPGCHR]

Vendor:
Perko

Regular price $90.99 USD

Regular price ~~$110.05 USD~~ Sale price $90.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 3/4" 90 Degree Elbow [91700]

Sale

Viega MegaPress 316 FKM 3/4" 90 Degree Elbow [91700]

Vendor:
Viega

Regular price $152.99 USD

Regular price ~~$197.55 USD~~ Sale price $152.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM Tee - 2" x 2" x 2" [91620]

Sale

Viega MegaPress 316 FKM Tee - 2" x 2" x 2" [91620]

Vendor:
Viega

Regular price $587.99 USD

Regular price ~~$761.38 USD~~ Sale price $587.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 3/4" Cap [91820]

Sale

Viega MegaPress 316 FKM 3/4" Cap [91820]

Vendor:
Viega

Regular price $75.99 USD

Regular price ~~$98.06 USD~~ Sale price $75.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 2" Coupling w/Stop [91125]

Sale

Viega MegaPress 316 FKM 2" Coupling w/Stop [91125]

Vendor:
Viega

Regular price $158.99 USD

Regular price ~~$205.83 USD~~ Sale price $158.99 USD
Unit price per

Sale
Viega MegaPress 316 FKM 1-1/4" Union [91940]

Sale

Viega MegaPress 316 FKM 1-1/4" Union [91940]

Vendor:
Viega

Regular price $639.99 USD

Regular price ~~$829.52 USD~~ Sale price $639.99 USD
Unit price per

Sale

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