Skip to product information
1 of 3

Waterproof Solder Wire Connectors

Waterproof Solder Wire Connectors

Regular price $24.97
Regular price $49.99 Sale price $24.97
Sale Sold out
or Pay in 4 interest-free payments with Klarna.

Buy more + save more

10% OFF when you Buy 2
15% OFF when you Buy 3
20% OFF when you Buy 5+

*Discount automatically applies at checkout.

Insured, No-Contact Delivery

Every order is insured at no additional cost to you.

Money Back Guarantee

Return your product within 30 days, get a full refund minus shipping.


Soldering & Sealing Wires Has Never Been Easier!


Introducing the all-new Waterproof Solder Wire Connectors! These connectors have polyolefin tubing on their exterior and heat-melting adhesive on the inside. They are ideal for use in marine and automotive applications. Now you can solder and seal while waterproofing your wire joints at the same time! The exterior polyolefin tubing seals wires with amazing insulation & tensile strength and is transparent so you can visually inspect the connection. 


  • Connect and solder wires with ease
  • Dual-walled Design: Polyolefin Tubing Exterior + Hot-Melt Adhesive Interior
  • High tensile strength provided by heat shrink tubing
  • Prevents wire corrosion after sealing
  • High resistance to stretch and mechanical damage
  • Easy to Use. Just insert, connect and heat to seal
  • Transparent sleeves for easy insertion of wires
  • Perfect for marine, automobile & outdoor applications


  • Minimum Melting Temperature: 138°C
  • Minimum Shrink Temperature: 80°C
  • Operating Temperature: -55℃ - 125℃
  • Shrink Temperature: >160℃


  • 1 set of Waterproof Solder Wire Connectors (50/100/150/200/300pcs.)
View full details
  • We Ship Worldwide

    We ship standard flat-rate worldwide for just $5.99! Free shipping on Orders $75 or more.

  • Got Questions?

    Our friendly customer experience team is here to assist you! Contact us at