T-H Marine 1" Screw-Type Drain Plug — Black Nylon with O-Ring Seal (232-DP1DP)
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
T-H Marine 1" Screw-Type Drain Plug — Black Nylon with O-Ring Seal
A reliable, vibration-resistant 1" drain plug for boat transoms, livewells, baitwells, and storage compartments. Moulded from durable black nylon with a fine-thread screw design and integrated O-ring, this plug maintains a watertight seal even under the constant vibration of underway conditions — and the fine thread pitch prevents cross-threading during installation and removal.
Parts Desk Insights
This is the correct plug when you need a straightforward 1" drain closure that threads securely into an existing 1" drain hole and won't back out from vibration. The fine-thread design makes it notably more secure than coarse-thread or push-fit plugs in high-vibration applications such as outboard-powered boats on rough water or trailered boats on corrugated roads. The O-ring provides a positive watertight seal without requiring thread tape or sealant. If you need a complete drain kit including a receiver fitting for a new installation, see the related products below.
Key Features
- 1" screw-type drain plug — fits standard 1" diameter drain holes
- Durable black nylon construction — corrosion-proof in marine environments
- Fine-thread design resists vibration loosening and prevents cross-threading
- Integrated O-ring for a positive watertight seal without sealant
- Suitable for transoms, livewells, baitwells, and compartment drains
Related Products
- Attwood 3/4" Plastic Drain Plug & Receiver Kit — ABS with Elastomeric Gasket (23-172113)
- Moeller 1" Aluminum Boat Drain Kit — Transom, Livewell & Baitwell (114-020848001)
- Seachoice Screw-Type Drain Plug with O-Ring Seal — Boat Transom, Fish Well & Ice Chest (50-18781)
- Moeller Flush-Mount Transom Drain Tube with Plug — O-Ring Sealed, Trailerable Boats (114-02030310)
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.