Modular Plumbing

124 results
CategoryBoat Plumbing Fixtures & Supplies
CategoryModular Plumbing
Show In-Stock Only

15MM X 1/4IN ICEMAKER STEM VALVE

SeaTech

15mm QC Stem Adapters - Reducing Valve - 15mm to 1/4"

SKU: 174743 | Item ID: S/T 2443-0415

$27.98

Out of Stock
22MM END STOP

SeaTech

22mm Metric Series Quick Connect End Stop

SKU: 156578 | Item ID: S/T 1645-22

$11.18

In Stock
CHECK VALVE - 15MM  BRASS

Whale

15mm Quick Connect Fittings - Brass Stem Check Non-Return Valve

SKU: 93922 | Item ID: WHA WX1582B

$18.07

In Stock
wx7154 of Whale Quick Connect 15 mm Tubing Standard Semi-Rigid

Whale

Quick Connect 15 mm Tubing Standard Semi-Rigid

SKU: 1029575 | Item ID: WHA WX7154

$33.19

Out of Stock
MALE STEM 1/2INNPTX15MM STEM BRASS

SeaTech

15mm QC Stem Adapters - Brass to Male - 15mm x 1/2" NPT

SKU: 156572 | Item ID: S/T 1229-0815

$24.95

In Stock
STEM ADAPTOR - MALE 3/8INBSP TO 15MM

Whale

Quick Connect Fittings - Stem Adapter - 15mm Tubing x 3/8" NPT Male (Brass)

SKU: 93913 | Item ID: WHA WX1563

$23.71

In Stock
1/2IN CTS UNION CONNECTOR

SeaTech

35 Series Quick Connect Plumbing System - Unions for 1" OD Tubing

Available in 3 options

$10.40 - $15.65

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

SeaTech 3514-1008 - 3/8iin reducing stem

SKU: 390128 | Item ID: S/T 3514-1008

$7.15

In Stock
1/2IN CTS HOSE BARB FITTING

SeaTech

SeaTech 3513-1412 - 3/4in hose barb fitting

SKU: 438486 | Item ID: S/T 3513-1412

$17.35

In Stock
ADAPTOR MALE 1/2IN BSP TO 15MM

Whale

Quick Connect Fittings - Adapter - 15mm Tubing x 1/2" BSP Male

SKU: 93878 | Item ID: WHA WX1514B

$4.62

In Stock
1/2IN CTS HOSE BARB FITTING

SeaTech

SeaTech 3513-1008 - 1/2in cts hose barb fitting

SKU: 189659 | Item ID: S/T 3513-1008

$8.08

In Stock
1IN X 3/4IN CTS REDUCING UNION

SeaTech

SeaTech 3515R-1008 - Reducing union

SKU: 390161 | Item ID: S/T 3515R-1008

$9.10

In Stock
FLOW BEND

SeaTech

22mm Metric Series Quick Connect Plumbing System - Clips

SKU: 165218 | Item ID: S/T 234922

In Stock
1/2IN CTS BRASS UNION ELBOW

SeaTech

45 Series Brass QC Union Elbow

Available in 3 options

$11.03 - $37.50

In Stock
1/2IN FEMALE CONNECTOR

SeaTech

SeaTech 3510-1412 - 35 ser fem conector 3/4ctsx3/4nps

SKU: 170542 | Item ID: S/T 3510-1412

$11.70

In Stock
1/2IN CTS REDUCING IN-LINE VALVE

SeaTech

SeaTech 3539-14 - 3/4in cts shut off valve

SKU: 195378 | Item ID: S/T 3539-14

$35.73

In Stock
35 Series Quick Connect Plumbing System - for 1" OD Tubing

SeaTech

SeaTech 3518-08 - 3/8in cts stackable elbow

SKU: 380891 | Item ID: S/T 3518-08

$5.80

In Stock
On Sale
1/2INX1/2IN CTS BRASS DROP EAR ELBOW

SeaTech

45 Series Brass QC Drop Ear Elbow

Available in 2 options

Sale

$10.78 - $20.65

In Stock
1/2IN STACKABLE HOSE BARB ELBOW

SeaTech

SeaTech 3512-1008 - 1/2in stackable hose barb elbow

SKU: 438485 | Item ID: S/T 3512-1008

$3.65

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

SeaTech 3545-08 - 3/8in end stop connector

SKU: 438493 | Item ID: S/T 3545-08

$8.08

In Stock
On Sale
1/2IN CTS BRASS UNION CONNECTOR

SeaTech

45 Series Brass QC Union Connector

Available in 3 options

Sale

$7.11 - $14.08

In Stock
1IN X 3/4IN CTS REDUCING UNION

SeaTech

SeaTech 3515R-1410 - 3/4in cts reducing union bulk

SKU: 190364 | Item ID: S/T 3515R-1410

$10.28

In Stock
side view of SeaTech S/T 1116-1015

SeaTech

13mm (1/2") to 15mm Reducing Union

SKU: 180346 | Item ID: S/T 1116-1015

$8.78

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

SeaTech 3501-1012 - 1/2in cts male connector

SKU: 192954 | Item ID: S/T 3501-1012

$10.70

In Stock
1/2IN CTS STACKABLE TEE

SeaTech

SeaTech 3533-08 - 3/8in stackable tee connector

SKU: 438488 | Item ID: S/T 3533-08

$7.03

In Stock
22MM STACKABLE ELBOW BLK

SeaTech

22mm Metric Series Quick Connect Plumbing System - Adapters

Available in 2 options

$19.70 - $23.90

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

SeaTech 3501-1014 - 1/2in male connector

SKU: 390134 | Item ID: S/T 3501-1014

$10.70

In Stock
15MM HOSE BARB CONNECTOR

SeaTech

SeaTech 2913-1222 - 22mm - 3/4 hose barb connector

SKU: 180894 | Item ID: S/T 2913-1222

$16.60

In Stock
1/2IN CTS UNION CONNECTOR

SeaTech

35 Series Quick Connect Plumbing System - Unions for 3/4" OD Tubing

SKU: 370600 | Item ID: S/T 3515-14

$12.63

In Stock
STANDARD CUTTER REPLACE BLADE 1PK

SeaTech

Replacement Blades - for Quick Connect Tubing Cutter

SKU: 187096 | Item ID: S/T 1161-1522

$8.65

In Stock
1/2IN FEMALE CONNECTOR

SeaTech

SeaTech 3510-1012 - 1/2" CTS X 3/4" NPS Female Connector

SKU: 438484 | Item ID: S/T 3510-1012

$11.10

In Stock
Quick Connect Flexible Heater Connector

Whale

Quick Connect Flexible Heater Connector

SKU: 93882 | Item ID: WHA WX1519B

$23.20

In Stock
STEM ADAPTOR MALE 1/2INNPT TO 15MM

Whale

Quick Connect Fittings - Stem Adapter Male - 15mm Stem x 1/2" NPT

SKU: 93885 | Item ID: WHA WX1524

$18.42

In Stock
END STOP - 15MM

Whale

Quick Connect Fittings - End Stop - 15mm

SKU: 93912 | Item ID: WHA WX1546

$7.04

In Stock
ADAPTOR 5/8 OD FLEX.TUBING TO 15MM

Whale

Quick Connect Fittings - Adapter - 15mm Tubing x 5/8" Tubing

SKU: 93886 | Item ID: WHA WX1528

$19.67

In Stock
1IN CTS END STOP

SeaTech

35 Series Quick Connect Plumbing System - End Fittings for 1" OD Tubing

SKU: 196284 | Item ID: S/T 3545-18

In Stock
REDUCING CONNECTOR 22MM STEM X 15MM

SeaTech

15mm QC Stem Adapters - Reducing Stem - 22mm x 15mm

SKU: 156573 | Item ID: S/T 1614-1522

$11.08

In Stock
1/2IN CTS BRASS 45 DEG STACK ELBOW

SeaTech

45 Series Brass QC Stackable Elbow 45° - 1/2"

SKU: 196322 | Item ID: S/T 4522S-10

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

SeaTech 3501-1412 - 3/4in cts male connector x 3/4 npt

SKU: 195361 | Item ID: S/T 3501-1412

$10.43

In Stock
3/4INX1/2IN CTS BRASS RED. UNION ELB

SeaTech

45 Series Brass QC Reducing Union Elbow - 3/4" x 1/2"

SKU: 196308 | Item ID: S/T 4517R-1410

In Stock
STEM NRV ADAPTOR MALE 1/2 NPT -15MM

Whale

Quick Connect Fittings - Adapt.-15mm Stem w/Non-Return Valv x 1/2" NPT Male(Brass)

SKU: 93906 | Item ID: WHA WX1534

$34.09

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

35 Series Quick Connect Plumbing System - Connectors for 1" OD Tubing

Available in 3 options

$4.82 - $20.25

In Stock
STACKABLE(STEM)TEE

Whale

Quick Connect Fittings - Stem Tee - 15mm Tubing x 15mm Tubing x 15mm Stem

SKU: 93883 | Item ID: WHA WX1521

$19.66

In Stock
35 Series Quick Connect Plumbing System  -  for 5/8" OD Tubing

SeaTech

35 Series Quick Connect Plumbing System - Reducing Fittings for 1" OD Tubing

Available in 3 options

In Stock
TAP TAIL ADAPTOR MALE 1/2IN BSP 15MM

Whale

Quick Connect Fittings - Tap Tail Adapter - 15mm Tubing x 1/2" BSP Male

SKU: 93879 | Item ID: WHA WX1515

$9.22

In Stock
46-90 results of 124

Marine Modular Plumbing Solutions



As a boat owner, maintaining a reliable and efficient plumbing system is crucial for a comfortable and enjoyable experience on the water. With the variety of plumbing options available, it can be overwhelming to choose the right solution for your boat. Lets explore the benefits of using Sea Tech fittings and Whale Quick Connect systems for your marine plumbing needs.

Sea Tech Fittings

Sea Tech fittings represent a modular approach to marine plumbing, offering a range of high-quality fittings for quick installation and reusable components. These Seatech fittings are designed to simplify the plumbing process, ensuring a watertight connection with minimal effort. With Sea Tech fittings, you can easily cut the tubing to the desired length and insert it into the fitting for a secure connection. If adjustments are needed, the fitting can be removed by pushing in the collet and pulling the tubing out, making the process seamless.

Whale Quick Connect

Whale Quick Connect systems offer a similar modular approach to marine plumbing, focusing on ease of installation and reusability. These Whale fittings feature a unique 'Double Gripper' design that provides secure lifelong pipework retention even at excessive pressures. Additionally, the innovative 'cage collet' eliminates leaks where fittings are installed close to tight bends, ensuring a reliable connection.

Benefits of Modular Fittings for Marine Plumbing

Modular fittings like those from Sea Tech and Whale offer several benefits for marine plumbing, including:
  • Easy Installation: Modular fittings simplify the plumbing process, reducing the time and effort required for installation.
  • Reusable Components: The reusable nature of these fittings minimizes waste and reduces the need for frequent replacements.
  • Watertight Connections: The secure connections provided by these fittings ensure a reliable and leak-free system.
  • Customization: Modular fittings allow for customization to fit specific boat designs and plumbing requirements.

Choosing the Right Fittings for Your Boat

When selecting fittings for your boat's plumbing system, consider the following factors:
  • Material: Choose fittings made from durable, corrosion-resistant materials suitable for marine environments.
  • Size: Select fittings that match the size of your boat's plumbing system to ensure a secure connection.
  • Type: Consider the type of fittings needed for your specific plumbing requirements, such as those designed for drinking water, raw water washdown, or air conditioning systems.