Waterproof Solder Seal Wire Connectors
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Simplify your wiring tasks with these durable and reliable waterproof solder wire connectors. Designed for ease of use, they provide a secure and insulated connection every time.

Available in various quantities: Choose from 50 pcs, 100 pcs, 200 pcs, or 400 pcs packs to suit your project needs.
Key Features
- Versatile Applications - Perfect for use in both marine and automotive electrical systems, ensuring a robust connection in demanding environments.
- Effortless Connection - No crimping tools are required. Simply apply heat for a complete, soldered, insulated, and sealed wire connection in one swift step.
- Advanced Design - Features a dual-walled structure that creates a watertight seal, protecting against corrosion. The outer polyolefin tubing offers superior insulation and enhanced pullout strength. Internally, hot melt adhesive and solder guarantee a tight connection, preventing wires from dislodging.
- User-Friendly Identification - Each connector size is color-coded for quick identification and selection. The transparent sleeve allows for precise inspection during wire stripping and insertion.
Usage Instructions
- Prepare the wires for connection.
- Select the appropriate heat-shrinkable butt connector corresponding to your wire gauge.
- Insert the stripped wires into the pre-fluxed solder sleeve.
- Uniformly heat the connector with a heat gun until the solder has melted completely and the tubing has fully shrunk.
- Remove heat and allow the connector to cool for a secure bond.
Product Specifications
- Material: Tinned copper
- White Connectors: Suitable for 26-24 AWG wires
- Red Connectors: Suitable for 22-18 AWG wires
- Blue Connectors: Suitable for 16-14 AWG wires
- Yellow Connectors: Suitable for 12-10 AWG wires
Free U.S. Shipping + Tracking!
All orders in the U.S. include free shipping with a Track & Trace code, so you can monitor your order every step of the way. You'll receive your tracking code via email within 24-72 hours after placing your order.
We want you to be completely satisfied with your purchase. If you are not satisfied, you can return your order within 30 days.
Before returning the goods please contact our customer service at hello@luvans.com and let us know the reason for the return so we can process your request correctly.
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