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Seaflo ENV1W12501 Non-Return Valve Elbow 1-1/4" (33mm) Marine Bilge Check Valve

Seaflo ENV1W12501 Non-Return Valve Elbow 1-1/4" (33mm) Marine Bilge Check Valve

£17.24 GBP
£17.24 GBP
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Seaflo Non-Return Valve Elbow ENV1W12501

Premium Composite Marine & RV Check Valve

The Seaflo ENV1W12501 (also known as SFENV1-W125-01) is a precision-engineered 90-degree non-return valve designed to prevent backflow in critical water systems. Ideally suited for marine bilge pumps and RV plumbing, this valve ensures that water does not siphon back into the bilge or tank once the pump is deactivated.

RELIABILITY: Constructed from high-strength glass-fiber reinforced nylon for maximum durability in both freshwater and saltwater environments.

Key Features

  • ✔ 360° Rotation: Split quick-connect joint allows for flexible positioning in tight spaces.
  • ✔ Backflow Prevention: Internal check valve prevents water siphoning.
  • ✔ Easy Maintenance: Middle connecting part can be unscrewed for cleaning.
  • ✔ Corrosion Resistant: Built with premium composite materials.

Technical Specs

SKU / MPN ENV1W12501
Hose Inlet 1-1/4" - 1-1/2" (33-38mm)
Hose Outlet 1-1/4" (33mm)
Angle 90 Degrees
Material Reinforced Composite

Compatibility / Fitment Guide

Application Type Hose Diameter Notes
Marine Bilge Systems 33mm - 38mm Prevents discharge backflow.
RV / Caravan Plumbing 1-1/4" ID Hose Suitable for gravity or pump systems.

OEM Cross Reference

SEAFLO ENV1W12501, SFENV1-W125-01
System Use Marine & RV Water Management Systems

Questions & Answers

Is this a genuine original part?

This is a premium aftermarket replacement part from 4Drive, sourced to match Seaflo's original specifications for fitment and high-performance sealing.

Can this be used for fuel or oil?

This composite valve is specifically designed for water applications (freshwater and saltwater). It is not recommended for use with fuels or oils.

What are the physical dimensions?

The unit measures approximately 131.1mm x 57mm x 73.5mm.

Note: Please verify your hose internal diameter (ID) against the 1-1/4" (33mm) specification before purchasing. Distributed by 4Drive.co.uk.

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