Mastercool 53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator

Mastercool 53451-110 Rechargeable UV Leak Detection Kit The Mastercool 53451-110 kit provides professional-grade UV leak detection for automotive and HVAC applications. Designed for use on A/C, engine, coolant, fuel, oil, and ATF systems. Kit Contents: - Rechargeable High-Intensity UV Flashlight (53518-UV) - Lithium-Ion Battery & 110V Charger - AAA Battery Holder + 3 AAA Batteries - 2 oz Refillable Dye Injector (53123) - 2 oz Universal Fluorescent Dye (25 applications) - 4 oz Dye Remover - UV-Enhancing Safety Glasses - 25 Service Information Labels - Durable Molded Carrying Case Key Benefits: ✔️ Detects A/C, engine, oil, fuel, coolant, and ATF leaks ✔️ Compact yet powerful UV light for accurate diagnostics ✔️ Multiple power options: rechargeable Li-Ion or AAA batteries ✔️ Refillable injector with purge capability and precise control ✔️ Molded case keeps everything organized and portable Important Use Notes: - Always wear safety glasses and gloves during dye injection - Purge air from injector hose before first use - Never operate UV light without UV safety glasses - Do not store batteries in high-temperature environments Built for professional technicians and backed by Mastercool’s U.S.-based support team.

• ✔️ Complete Leak Detection Kit – Includes rechargeable UV flashlight, 2 oz refillable dye injector, 2 oz concentrated universal dye (25 applications), dye remover, and safety glasses.
• ✔️ Professional-Grade UV Light – Powerful light output equivalent to a 50-watt UV lamp. Compatible with rechargeable Li-Ion or AAA batteries (both included) and 110V charger.
• ✔️ Refillable Injector for Universal Use – Durable 2 oz injector works with R134a and R12 A/C systems and supports oil, coolant, and refrigerant dye injection. Includes hose and service coupler.
• ✔️ Easy Dye Injection & Air Purge Process – Detailed instructions included. Injector features air purge steps and application control using twist-handle design.
• ✔️ Circulate, Detect & Confirm Leaks Fast – After injecting dye, run A/C system to circulate, then inspect with UV light to spot fluorescent leaks. Works on A/C, engine coolant, oil, ATF, and fuel systems.
• ✔️ Safety First Design – Includes UV-enhancing safety glasses. Always wear eye protection and gloves. Do not look directly into UV light. Avoid battery storage in high-heat environments.
• ✔️ Mastercool Quality & Support – Built for working professionals and backed by our responsive U.S.-based support team.