Marine Vented Loops

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(19 Results)
Vented Loop 25Mm With Solenoid Vented Loop 25Mm With Solenoid SAW-45323

$190.90 $200.95

$10.05 off RRP of $200.95
Vented Loop 25Mm Nylon 45325 Vented Loop 25Mm Nylon 45325 SAW-45325

$35.50

Vented Loop 38mm White Vented Loop 38mm White SAW-45326

$46.20

Vented Loop Cap And Valve Vented Loop Cap And Valve SAW-45328

$21.30

Vented Loop Anti - Syphon Universal Vented Loop Anti - Syphon Universal SAW-45931

$87.78 $92.40

$4.62 off RRP of $92.40
Vented Loop Wht 19Mm Vented Loop Wht 19Mm BLA-139067

$41.90

Vented Loop Blk 19Mm Vented Loop Blk 19Mm BLA-139067BLK

$41.90

Vented Loop White 25mm Vented Loop White 25mm BLA-139068

$47.90

Vented Loop Blk 25Mm Vented Loop Blk 25Mm BLA-139068BLK

$47.90

Vented Loop White 38mm Vented Loop White 38mm BLA-139069

$55.96

Vented Loop W Solenoid Wht 12Vdc 19Mm Vented Loop W Solenoid Wht 12Vdc 19Mm BLA-139070

$199.41 $209.90

$10.49 off RRP of $209.90
Vented Loop 19Mm White Trudesign Vented Loop 19Mm White Trudesign SAW-45324

$31.00

Jabsco Vented Loop Solenoid Vacuum Valve J0011-122 Jabsco Vented Loop Solenoid Vacuum Valve J0011-122 RWB-J11-122

$319.13 $345.00

$25.87 off RRP of $345.00
Vented Loop Ss Vented Loop Ss SAW-45053

$120.03 $126.35

$6.32 off RRP of $126.35
Out Of Stock Check for Availability
Vented Loop Solenoid Only 12V Vented Loop Solenoid Only 12V SAW-45327

$137.94 $145.20

$7.26 off RRP of $145.20
Out Of Stock Check for Availability
Vented Loop 38mm Nylon Vented Loop 38mm Nylon SAW-45454

$25.15

Out Of Stock Check for Availability
TruDesign Vented Loop Black 38mm Hose TruDesign Vented Loop Black 38mm Hose BLA-139069BLK

$55.96

Out Of Stock
Vented Loop W Solenoid Wht 12Vdc 25mm Vented Loop W Solenoid Wht 12Vdc 25mm BLA-139071

$208.91 $219.90

$10.99 off RRP of $219.90
Out Of Stock
Vented Loop W Solenoid Wht 12Vdc 38Mm Vented Loop W Solenoid Wht 12Vdc 38Mm BLA-139072

$208.91 $219.90

$10.99 off RRP of $219.90
Out Of Stock

Select marine vented loops and toilet filters for suitable onboard toilet and plumbing layouts where hose routing needs careful control.

Understanding marine vented loops

A marine vented loop is used in some onboard plumbing layouts to help manage siphoning risk where hose runs rise and fall around toilets or other water systems. The correct part depends on hose size, system layout and where the loop can be mounted above the relevant waterline. Always follow the installation requirements for the toilet, pump and plumbing system being serviced.

For surrounding toilet plumbing, compare this range with toilet accessories, marine toilets and holding tanks and pumpout fittings.

Checking fit before replacing parts

Before ordering, confirm the hose diameter, available mounting height, service access and whether the fitting is for inlet, discharge or related plumbing. Filters and loops should be positioned so they can be checked later, not hidden behind panels that are difficult to remove. If the existing installation has odour or flow issues, inspect hose condition and the wider toilet system rather than replacing a single part in isolation.

For compatible plumbing parts, it may also help to review marine hose fittings and marine valves.

FAQs about marine vented loops

What does a marine vented loop do?

It is used in suitable plumbing layouts to help manage siphoning risk. Correct placement depends on the system design and installation instructions.

How do I choose a vented loop size?

Match the hose size and application, then confirm the required mounting position and access for inspection.

Should toilet filters and loops be easy to access?

Yes. These parts should be installed where they can be inspected or serviced without dismantling large areas of the boat.

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