Non-Return Drain Valve Set with Plug - 25mm (1") Transom Mount - Grey - Self-Draining
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Non-Return Drain Valve Set with Plug - 25mm (1") Transom Mount - Grey
Self-draining transom valve with integrated non-return function designed to prevent backflow while automatically draining water from cockpit, deck, or bilge areas. Complete set includes valve and plug for 25mm (1") installations.
Specifications
- Size: 25mm (1 inch)
- Color: Grey
- Type: Non-return drain valve with plug
- Mounting: Transom mount
- Weight: 0.05 kg (50 grams)
- Material: Marine-grade plastic
- SKU: 74449
- Barcode: 5204980744496
Non-Return Function
- Prevents backflow of water into vessel
- One-way valve allows water to drain out only
- Automatically closes when water pressure reverses
- Keeps cockpit and deck areas dry
- Essential for below-waterline or near-waterline installations
- Prevents flooding during heeling or wave action
Features
- Self-draining design automatically removes water
- Non-return valve prevents backflow
- Complete set includes valve and plug
- 25mm (1") size for standard installations
- Transom mount design for easy installation
- Marine-grade construction resists corrosion
- Grey color for professional appearance
- Lightweight and compact design
Applications
- Cockpit drainage systems
- Deck scupper installations
- Transom drainage
- Self-bailing cockpit systems
- Bilge drainage (above waterline)
- Anchor locker drainage
- Sailboat and powerboat drainage systems
Installation
- Mounts through transom or hull side
- 25mm (1") hole required for installation
- Install above waterline or with non-return function active
- Secure with appropriate marine sealant
- Ensure proper orientation for drainage
- Plug included for temporary closure
Benefits
- Prevents water from flowing back into vessel
- Automatically drains water without manual intervention
- Keeps cockpit and deck areas dry and safe
- Complete set includes both valve and plug
- Marine-grade construction ensures long service life
- Easy to install and maintain
- Essential safety feature for drainage systems
Plug Function
- Included plug allows temporary closure of drain
- Useful for maintenance or when drain not needed
- Secure fit prevents water entry when plugged
- Easy to insert and remove
Care & Maintenance
- Inspect regularly for debris or blockage
- Clean valve mechanism periodically
- Check non-return function operates correctly
- Ensure plug seals properly when installed
- Replace if valve mechanism becomes damaged
- Rinse with fresh water to prevent salt buildup
Essential self-draining valve for cockpit and deck drainage systems. This non-return drain valve set prevents backflow while automatically draining water, keeping your vessel dry and safe. Complete with plug for 25mm (1") transom installations.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.