marine plumbing – Ayamar Nautico

Marelon by Forespar 3-Way Y Valve

Lorie — Wed, 04 Mar 2026 16:07:06 +0000

The Marelon by Forespar 3-Way Y Valve is a reliable diverter valve designed for marine sanitation systems. It allows boat owners to control the flow of waste from a marine toilet, directing it either to a holding tank or to an overboard discharge line where regulations permit.

Manufactured from Marelon, Forespar’s advanced glass-reinforced polymer, this valve provides excellent resistance to corrosion, electrolysis, and harsh marine environments. Unlike metal fittings, Marelon components will not corrode or seize, making them particularly suitable for long-term installation in sanitation systems.

The valve operates through a simple manual lever that clearly indicates the selected flow direction, allowing quick and secure switching between discharge routes. It is commonly used in combination with marine toilets such as Jabsco manual and electric toilet systems, where a Y valve is required to comply with different waste management setups.

Available in two sizes to suit standard marine sanitation hose diameters, the Marelon Y valve is widely used in both sailboats and motorboats due to its durability, smooth operation, and dependable sealing performance.

Variants

1″
1-1/2″

Plastic Thru-Hull Skin Fitting Threaded White

Lorie — Fri, 06 Feb 2026 16:22:40 +0000

The Lalizas Nuova Rade Plastic Thru-Hull Skin Fitting Threaded White is designed for use in marine plumbing systems where reliable hull penetration is required. Manufactured from PA (polyamide), the fitting offers good resistance to the marine environment while maintaining a lightweight construction. The threaded design allows secure connection with compatible hoses and seacocks, making it suitable for drainage, intake, or discharge applications depending on installation requirements. Supplied in white, this thru-hull fitting is intended for use on recreational and small commercial vessels.

Available variants:

1/2″
3/4″
1″
1-1/4″
1-1/2″
2″

Product Code	Product Description	Colour	Size	Material	Flange Ø	Thread Ø	Length	Cut-Out
44737	Thru-Hull Fitting 1/2”, L.74mm, White	White	1/2” inch	PA	40 mm	15 mm	74 mm	66 mm
14186	Thru-Hull Fitting 3/4”, L.77mm, White	White	3/4” inch	PA	44 mm	19 mm	77 mm	70 mm
44740	Thru-Hull Fitting 3/4”, L.81mm, White	White	3/4” inch	PA	47 mm	16 mm	81 mm	75 mm
44743	Thru-Hull Fitting 1”, L.87mm, White	White	1” inch	PA	52 mm	23 mm	87 mm	80 mm
198218	Thru-Hull Fitting 1 1/4”, L.98mm, White	White	1 1/4” inch	PA	62 mm	30 mm	98 mm	90 mm
44746	Thru-Hull Fitting 1 1/2”, L.98mm, White	White	1 1/2” inch	PA	75 mm	36 mm	98 mm	90 mm
198221	Thru-Hull Fitting 2”, L.110mm, White	White	2” inch	PA	90 mm	45 mm	110 mm	100 mm

Loctite® 577 Thread Sealant (50 ml)

Lorie — Thu, 16 Nov 2023 17:44:38 +0000

Loctite® 577 is a high-performance thread sealant designed for sealing metal threaded pipes and fittings, preventing leaks caused by vibration, pressure, or temperature changes.

Commonly used in marine plumbing, hydraulic systems, and gas installations, it provides reliable sealing while also locking the threads to resist loosening. The sealant cures anaerobically in the absence of air when confined between metal surfaces.

Supplied in a 50 ml bottle, Loctite 577 allows for accurate application and is suitable for both maintenance and installation work on board.