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Utilize our connectors for quick, waterproof, and durable connections that perform flawlessly, all the time! 🌟🔧💧
✔️Achieve reliable, waterproof electrical connections.
✔️Hassle-free installation, no more messy electrical tape.
✔️Durable and long-lasting.
✔️Perfect for outdoor projects, marine applications, and automotive repairs.
- Saves Time – Faster Than Traditional Soldering
- Stronger & More Reliable Than Crimping
- 100% Waterproof & Weatherproof
- Works with all wire sizes & types
- Trusted by Professionals & DIY Enthusiast
- Perfect for High-Vibration & High-Performance Wiring
Features
Heat Shrink Wire Connector
High quality thick copper bucket ensures strong and reliable crimp, providing minimal voltage drop, high current and less heat, preventing short circuits and wiring problems, your wires will never slip out of the connector.
Easy to Install
3 easy steps to a secure, waterproof connection.
Premium Material
Equipped with a high-quality double-wall design, it incorporates a heat-activated sealing liner and a superior tin-plated copper core, providing a secure seal, flame-retardant properties, effective waterproofing, and boasting high tensile strength and resistance to damage.
Wide Application
Ideal for marine and automotive applications or other outdoor projects, whether you're working on boats, vehicles, homes, or scientific projects, the tension splice connectors will ensure a secure and tight seal.
Specification
Minimum Shrink Temp: 80°C / 176°F
Minimum Solder Melting Temp: 138°C / 280°F
Material: Dual-walled polyolefin tubing / Copper
Waterproof Rating: IP67
Awg: 12-10, 16-14, 22-18, 26-24
Connector Type: Butt Splice
Insulation Material: Polyolefin
Package Style: Boxed
Perfect for Automotive, Marine and Home DIY projects. SGS, CE, RoHS & UL Certified.
Features:
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Quality and Innovation: As an industry innovator, Haisstronica strives to bring you the latest innovations in the industry. Our solder seal wire connectors are crafted with high-quality materials and undergo rigorous testing to ensure superior performance and reliability. We are committed to providing you with cutting-edge solutions that meet your needs.
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Solder and Seal in One Step: Our solder seal wire connectors combine both functions into a single step. With a simple application of heat, the solder inside the connector melts and then creates a secure and waterproof seal around the wires. Enjoy a quicker and more efficient way to make reliable connections.
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Versatile Applications: Our solder stick wire connectors are suitable for a wide range of electrical projects. Whether you're working on automotive, marine, household, or DIY applications, these connectors can handle it all. From basic repairs to complex installations, you'll have the right connectors for any project.
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Secure and Durable Connections: Our solder seal wire connectors ensure a solid and long-lasting connection. The melted solder forms a strong bond between the wires, providing excellent conductivity and minimizing the risk of signal loss or intermittent connections. Rest assured that your connections will stay intact, even in demanding environments.
- Waterproof and Insulated: The solder seal wire connectors provide excellent waterproofing and insulation for your connections. The heat shrink tubing creates a protective barrier that guards against moisture, dust, and corrosion. This ensures the durability and longevity of your electrical systems, even in harsh conditions.
Why Choose Haisstronica

Quick Secure Connections
Perfect for outdoor projects, it keeps your connections safe from moisture and corrosion.

Guaranteed Weatherproof
Its innovative design ensures a secure bond every time, making your projects smooth and efficient.

Easy To Use & Saves Time
Save time and effort with connectors that simplify your tasks without compromising quality.

Enhanced Safety
Reduce burn & hazard risks to ensure a safer working environment, while being 100% safe for electronics.

Fits All Projects
From automotive repairs to home improvements, it’s the go-to solution for any wiring challenge.

Lasting Reliability
With high-quality materials and construction, it delivers reliable connections that stand the test of time.
Recommended Products


The solder seal wire connector heat-shrink tube made of EVA materials clearly allows the user to see the quality of the soldering penetration, which is one of the qualities that verify a quality connector!
The 3:1 heat shrink connector with adhesive lined will exude hot melt adhesive after being evenly heated, quickly shrink, and adhesion to the insulation of the wire. Create a complete environmental seal. Waterproof,Wear-resistant.

Crimping tool designed for heat shrink connectors, ratcheting mechanism, comfortable handles
- Keep it organized: The durable portable toolbox will not break during movement; ensure that the various connectors do not interfere with each other and are neat and orderly.
- High Quality Connectors: The heat-shrinkable insulation is flexible and won't break, pure copper conducts electricity strongly, and the adhesive melts at the proper temperature and wraps the wires tightly to achieve a waterproof connection. Can be used in professional wire connection procedures.
- Buyer Confidence: We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We offer a 30-day money-back guarantee and a 12-month replacement warranty, giving customers a 100% satisfaction guarantee for risk-free purchases!
FAQ
Shipping
Most items are usually shipped within 1-2 working days.
We do recommend allowing up to 3 weeks for your order in peak times, such as a special offer or promotion. Delivery times are beyond our control but rest assured give you the best service.
Your delivery confirmation email will contain your tracking number and order details.
Other
Depending on the country of delivery, you may be required to pay extra tax or charges such as VAT and/or import duties.
We hope you love everything you purchase from Haisstronica but if you’re not 100% happy, we want to know about it. Please get in touch with all feedback about our products so we can continue improving our service for you.
You can return any item within 30 days of purchase. If you wish to return a product, you must notify Haisstronica within 7 days of receiving your item. Unfortunately due to logistics, we cannot accept return requests after this period.
All items being returned must be in new and resalable condition.
Refunds will be provided after the items have been received and inspected by Haisstronica. A 10% stocking fee will be deducted from the total amount.
Shipping charges are non-refundable.
Taxes and any other charges incurred by the customer are non-refundable.