Whale In‑Line Non‑Return Valve – Bilge Pump Check ValveWhale InLine NonReturn Valve Ensure your bilge pump remains primed and prevents unwanted backflow with the Whale InLine NonReturn Valve. Designed for both manual and electric bilge pumps, this compact valve fits standard 1 or 1" & 1 1 2" hoses. Constructed from rugged, glassfilled polypropylene and fitted with a nitrile flap, it delivers reliable performance even in harsh marine environments. Ideal for keeping your bilge line clear and pump ready .

Secure load holding with controlled release

It’s perfect for applications requiring dry

Now available at Barton Marine NZ

Voltage: 12V / 24V DC compatible

and small keelboats

and mainsheets

Perfect as a primary or backup bilge pump for coastal and offshore cruising

Wide jaw opening for versatile line control

the cards are waterproof

Secure closure with positive latch

those exploring bay anchorage

The Ronstan RF41110 is a lightweight and compact 40mm single pulley block with becket