Classic Trumpet Water Key Kit — Main Slide, 3rd Valve Slide or Full Set

Introducing a complete Classic Water Key Kit for trumpet, designed to replace your old traditional water key or to install a new water key on a slide that previously did not have one. Available Options: Main Tuning Slide Water Key Designed for installation on the main tuning slide of a trumpet. Ideal for replacing an old main slide water key or adding a classic water key to a main slide that does not have one. 3rd Valve Slide Water Key Designed for installation on the 3rd valve slide of a trumpet. A useful option for replacing an existing 3rd slide water key or adding one for more convenient moisture drainage. Full Set: Main + 3rd Slide Water Keys Includes both water keys in one kit — one for the main tuning slide and one for the 3rd valve slide. This is the best-value option if you need both parts. The kit includes all the necessary components required for installation. The water key parts are manufactured from durable brass for long-lasting performance. The main body and mounting screw are nickel-plated, providing improved corrosion resistance and a clean professional appearance. A cork pad is included to ensure reliable sealing and proper moisture drainage. The traditional water key design has been trusted by brass players and instrument manufacturers for generations. Its simple, effective construction remains one of the most popular solutions for removing condensation from brass instruments. Features: Complete classic trumpet water key kit Available in two versions: main tuning slide or 3rd valve slide Suitable for replacing an existing water key Can be installed on slides that previously had no water key Manufactured from durable brass Nickel-plated main body and mounting screw Includes cork pad for reliable sealing Traditional and time-tested design Reliable moisture drainage Ideal for repairs, restoration, and custom instrument projects Installation Information For proper installation, this water key requires professional tools, drilling, and soldering materials. The water key must be installed by soldering it onto the instrument using suitable solder and proper brass repair techniques. If you do not have experience working with brass instruments, we strongly recommend contacting a professional brass instrument technician or repair workshop. Incorrect installation may damage the instrument and affect its performance. A perfect choice for musicians and repair technicians who prefer the classic, dependable water key design that has stood the test of time.