Skip to content
Neptunian Marine
Neptunian Marine

Marine Plumbing & Ventilation - Fittings

Filters

$
$

GROCO 1" NPT x 1-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1000]

GROCO
Original price $17.00
Original price $17.00 - Original price $17.00
Original price $17.00
Current price $14.99
$14.99 - $14.99
Current price $14.99
Low stock

1" NPT x 1-1/4" Bronze Full Flow Pipe to Hose Straight FittingFeatures: Full Flow Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 3" U...

View full details
Original price $17.00
Original price $17.00 - Original price $17.00
Original price $17.00
Current price $14.99
$14.99 - $14.99
Current price $14.99
Save $2.01 Save $0.00

GROCO 1-1/2" NPT x 1-3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-1500]

GROCO
Original price $35.00
Original price $35.00 - Original price $35.00
Original price $35.00
Current price $29.99
$29.99 - $29.99
Current price $29.99
In stock

1-1/2" NPT x 1-3/4" Bronze Full Flow Pipe to Hose Straight FittingFeatures: Full Flow Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to ...

View full details
Original price $35.00
Original price $35.00 - Original price $35.00
Original price $35.00
Current price $29.99
$29.99 - $29.99
Current price $29.99
Save $5.01 Save $0.00

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

GROCO
Original price $574.00
Original price $574.00 - Original price $574.00
Original price $574.00
Current price $382.99
$382.99 - $382.99
Current price $382.99
Low stock

1-1/2" Bronze Flanged Full Flow SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve ...

View full details
Original price $574.00
Original price $574.00 - Original price $574.00
Original price $574.00
Current price $382.99
$382.99 - $382.99
Current price $382.99
Save $191.01 Save $0.00

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

GROCO
Original price $80.00
Original price $80.00 - Original price $80.00
Original price $80.00
Current price $59.99
$59.99 - $59.99
Current price $59.99
In stock

2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight FittingFeatures: Full Flow Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 3" U...

View full details
Original price $80.00
Original price $80.00 - Original price $80.00
Original price $80.00
Current price $59.99
$59.99 - $59.99
Current price $59.99
Save $20.01 Save $0.00

GROCO 1/2" NPT x 3/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-500]

GROCO
Original price $11.00
Original price $11.00 - Original price $11.00
Original price $11.00
Current price $9.99
$9.99 - $9.99
Current price $9.99
In stock

1/2" NPT x 3/4" Bronze Full Flow Pipe to Hose Straight FittingFeatures: Full Flow Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 3" U...

View full details
Original price $11.00
Original price $11.00 - Original price $11.00
Original price $11.00
Current price $9.99
$9.99 - $9.99
Current price $9.99
Save $1.01 Save $0.00

GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]

GROCO
Original price $327.00
Original price $327.00 - Original price $327.00
Original price $327.00
Current price $217.99
$217.99 - $217.99
Current price $217.99
Low stock

3/4" Bronze Flanged Full Flow SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in...

View full details
Original price $327.00
Original price $327.00 - Original price $327.00
Original price $327.00
Current price $217.99
$217.99 - $217.99
Current price $217.99
Save $109.01 Save $0.00

Perko 0543 Vented Fill f/1-1/2" Hose - Straight Neck - Gas - Black [0543DPGBLK]

Perko
Original price $55.11
Original price $55.11 - Original price $55.11
Original price $55.11
Current price $41.99
$41.99 - $41.99
Current price $41.99
In stock

0543 Vented Fill f/1-1/2" Hose - Straight Neck - Gas - BlackBlack Polymer Cap with Black Polymer Body Black Polymer Strap Integral Tank Vent with ...

View full details
Original price $55.11
Original price $55.11 - Original price $55.11
Original price $55.11
Current price $41.99
$41.99 - $41.99
Current price $41.99
Save $13.12 Save $0.00

Perko Vented Flip Top Cap f/Fills with 1-1/2" Hose - Black [0795DP0BLK]

Perko
Original price $45.64
Original price $45.64 - Original price $45.64
Original price $45.64
Current price $34.99
$34.99 - $34.99
Current price $34.99
Low stock

Perko Vented Flip Top Cap f/Fills with 1-1/2" Hose Black Polymer Easily Mounts Directly on Gunnel with Removing Fill Body Includes Metallic Insert...

View full details
Original price $45.64
Original price $45.64 - Original price $45.64
Original price $45.64
Current price $34.99
$34.99 - $34.99
Current price $34.99
Save $10.65 Save $0.00

Perko 0590 Vented Fill f/1-1/2" Hose - Angled Neck - Chrome [0590DPGCHR]

Perko
Original price $131.53
Original price $131.53 - Original price $131.53
Original price $131.53
Current price $74.99
$74.99 - $74.99
Current price $74.99
In stock

0590 Vented Fill f/1-1/2" Hose - Angled Neck - ChromeChrome Plated Bronze Cap Black Polymer Body Stainless Steel Bead Chain Integral Tank Vent wit...

View full details
Original price $131.53
Original price $131.53 - Original price $131.53
Original price $131.53
Current price $74.99
$74.99 - $74.99
Current price $74.99
Save $56.54 Save $0.00

Perko 0542 Vented Fill f/1-1/2" Hose - Angled Neck - Gas - Black [0542DPGBLK]

Perko
Original price $55.11
Original price $55.11 - Original price $55.11
Original price $55.11
Current price $41.99
$41.99 - $41.99
Current price $41.99
In stock

0542 Vented Fill f/1-1/2" Hose - Angled Neck - Gas - Black Black Polymer Cap with Black Polymer Body Black Polymer Strap Integral Tank Vent with F...

View full details
Original price $55.11
Original price $55.11 - Original price $55.11
Original price $55.11
Current price $41.99
$41.99 - $41.99
Current price $41.99
Save $13.12 Save $0.00

Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]

Perko
Original price $131.53
Original price $131.53 - Original price $131.53
Original price $131.53
Current price $89.99
$89.99 - $89.99
Current price $89.99
In stock

0591 Vented Fill f/1-1/2" Hose - Straight Neck - ChromeChrome Plated Bronze Cap Black Polymer Body Straight Neck & Heavy Duty Stainless Steel ...

View full details
Original price $131.53
Original price $131.53 - Original price $131.53
Original price $131.53
Current price $89.99
$89.99 - $89.99
Current price $89.99
Save $41.54 Save $0.00

Attwood Scupper Valve [3876-3]

Attwood Marine
Original price $12.99
Original price $12.99 - Original price $12.99
Original price $12.99
Current price $11.99
$11.99 - $11.99
Current price $11.99
In stock

Scupper ValveProvides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector ...

View full details
Original price $12.99
Original price $12.99 - Original price $12.99
Original price $12.99
Current price $11.99
$11.99 - $11.99
Current price $11.99
Save $1.00 Save $0.00

Attwood Cockpit Drain - No Screen [3875C1]

Attwood Marine
Original price $11.99 - Original price $11.99
Original price
$11.99
$11.99 - $11.99
Current price $11.99
In stock

Cockpit Drain - No ScreenFor use with 1-1/2" I.D. hose as part of a self-bailing cockpit system. Features short stem and narrow flange for install...

View full details
Original price $11.99 - Original price $11.99
Original price
$11.99
$11.99 - $11.99
Current price $11.99

Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Gel White [183-029-18]

Shurflo by Pentair
Original price $66.78
Original price $66.78 - Original price $66.78
Original price $66.78
Current price $53.99
$53.99 - $53.99
Current price $53.99
In stock

Pressure Reducing City Water Entry - Wall Mount - Gel WhiteThis combination pressure reducing city water entry and check valve diaphragm design p...

View full details
Original price $66.78
Original price $66.78 - Original price $66.78
Original price $66.78
Current price $53.99
$53.99 - $53.99
Current price $53.99
Save $12.79 Save $0.00

Shurflo by Pentair Pressure Reducing City Water Entry - Wall Mount - Chrome [183-029-14]

Shurflo by Pentair
Original price $82.93
Original price $82.93 - Original price $82.93
Original price $82.93
Current price $59.99
$59.99 - $59.99
Current price $59.99
In stock

Pressure Reducing City Water Entry - Wall Mount - ChromeThis combination pressure reducing city water entry and check valve diaphragm design prev...

View full details
Original price $82.93
Original price $82.93 - Original price $82.93
Original price $82.93
Current price $59.99
$59.99 - $59.99
Current price $59.99
Save $22.94 Save $0.00

Shurflo by Pentair Pressure Reducing City Water Entry - In-Line - Cream [183-039-08]

Shurflo by Pentair
Original price $68.03
Original price $68.03 - Original price $68.03
Original price $68.03
Current price $54.99
$54.99 - $54.99
Current price $54.99
Low stock

Pressure Reducing City Water Entry - In-Line - CreamThis combination pressure reducing city water entry and check valve diaphragm design prevents...

View full details
Original price $68.03
Original price $68.03 - Original price $68.03
Original price $68.03
Current price $54.99
$54.99 - $54.99
Current price $54.99
Save $13.04 Save $0.00

Perko Spare Gas Cap w/O-Ring & Cable [1270DPG99A]

Perko
Original price $30.48
Original price $30.48 - Original price $30.48
Original price $30.48
Current price $23.99
$23.99 - $23.99
Current price $23.99
Low stock

Spare Gas Cap w/O-Ring & CableBlack polymer gas cap has a slot between the holes.

Original price $30.48
Original price $30.48 - Original price $30.48
Original price $30.48
Current price $23.99
$23.99 - $23.99
Current price $23.99
Save $6.49 Save $0.00

Perko Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black Flange [1313DP0CHR]

Perko
Original price $35.93
Original price $35.93 - Original price $35.93
Original price $35.93
Current price $27.99
$27.99 - $27.99
Current price $27.99
In stock

Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black FlangeFeatures: Chrome Plated Zinc Alloy Flange Black Polymer Flange Black Polymer Cap wit...

View full details
Original price $35.93
Original price $35.93 - Original price $35.93
Original price $35.93
Current price $27.99
$27.99 - $27.99
Current price $27.99
Save $7.94 Save $0.00

Perko Gas Tank Vent w/Splash Guard - Chrome Plated Zinc - " Hose [0506DP4CHR]

Perko
Original price $26.32
Original price $26.32 - Original price $26.32
Original price $26.32
Current price $19.99
$19.99 - $19.99
Current price $19.99
In stock

Gas Tank Vent Chrome Plated Zinc Alloy with Black Polymer Splash Guard Removable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use wit...

View full details
Original price $26.32
Original price $26.32 - Original price $26.32
Original price $26.32
Current price $19.99
$19.99 - $19.99
Current price $19.99
Save $6.33 Save $0.00

Perko Flush Pro Valve Kit - 1" [0457DP6]

Perko
Original price $276.69
Original price $276.69 - Original price $276.69
Original price $276.69
Current price $188.99
$188.99 - $188.99
Current price $188.99
Low stock

Flush Pro Valve Kit - 1"Finally! Fresh flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring ...

View full details
Original price $276.69
Original price $276.69 - Original price $276.69
Original price $276.69
Current price $188.99
$188.99 - $188.99
Current price $188.99
Save $87.70 Save $0.00

Perko Flush Pro Valve Kit - 5/8" [0457DP4]

Perko
Original price $276.69
Original price $276.69 - Original price $276.69
Original price $276.69
Current price $159.99
$159.99 - $159.99
Current price $159.99
In stock

Flush Pro Valve Kit - 5/8"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel...

View full details
Original price $276.69
Original price $276.69 - Original price $276.69
Original price $276.69
Current price $159.99
$159.99 - $159.99
Current price $159.99
Save $116.70 Save $0.00

Jabsco Flush Mount Hose Adapter [31911-0002]

Jabsco
Original price $42.99
Original price $42.99 - Original price $42.99
Original price $42.99
Current price $39.99
$39.99 - $39.99
Current price $39.99
In stock

Flush Mount Hose AdapterPerfect solution to remove that unsightly hose bib deck fitting and rusty knob. This will enable you to connect your wate...

View full details
Original price $42.99
Original price $42.99 - Original price $42.99
Original price $42.99
Current price $39.99
$39.99 - $39.99
Current price $39.99
Save $3.00 Save $0.00

Perko 3/4" Seacock Ball Valve Bronze MADE IN THE USA [0805005PLB]

Perko
Original price $292.81
Original price $292.81 - Original price $292.81
Original price $292.81
Current price $128.99
$128.99 - $128.99
Current price $128.99
Low stock

Perko 3/4" Seacock Ball Valve BronzeThese valves bodies are offered to meet the needs of applications that require extra long, scoop or flush type...

View full details
Original price $292.81
Original price $292.81 - Original price $292.81
Original price $292.81
Current price $128.99
$128.99 - $128.99
Current price $128.99
Save $163.82 Save $0.00

Perko 1-1/2 Pipe To Hose Adapter Straight Bronze MADE IN THE USA [0076DP8PLB]

Perko
Original price $49.59
Original price $49.59 - Original price $49.59
Original price $49.59
Current price $31.99
$31.99 - $31.99
Current price $31.99
In stock

Perko 1-1/2" Pipe to Hose Adapter Straight BronzeCast bronzeCast hex for easier installationPrecision machined hose barbTechnical Information: Pip...

View full details
Original price $49.59
Original price $49.59 - Original price $49.59
Original price $49.59
Current price $31.99
$31.99 - $31.99
Current price $31.99
Save $17.60 Save $0.00