Universal Treatment A/C Re-New, A/C Restart, Rx-Acid Scavenger Injector Tool

Universal Treatment A/C Re-New, A/C Restart, Rx-Acid Scavenger Injector Tool 4779-0 (replaces 4057-99)

The Universal Treatment Injector by Nu-Calgon (part number 4779-0 and replaces A/C Re-New Injector Tool 4057-99) is engineered for professional HVAC/R service technicians who need a reliable and efficient tool for dosing treatment additives into refrigerant systems.

Key Features & Benefits

• Reusable “5-in-1” injector tool: configurable for 1 to 4 fluid ounce dosage, plus a hose/end-cap assembly mode for Nu-Calgon’s Connect Inject line.

• Modular design ensures the injection chamber matches exactly the volume of the additive, eliminating head space and removing the need for a vacuum-pump evacuation step.

• Built to withstand up to 600 psi working pressure (suitable for both air-conditioners and commercial refrigeration systems)

• Ideal for use with Nu-Calgon treatments like A/C Re-New, A/C ReStart, Rx-Acid Scavenger and Connect Inject Products which all enable improved system performance, quieter compressors and healthier system oil return conditions.

• Designed for systems where a high-side to low-side pressure differential can be used (via manifold gauge set) to drive the liquid additive into the suction line quickly (~minutes) using the system’s own pressure.

Applications
Use the injector when servicing air conditioning or refrigeration equipment that has accessible high‐side and low‐side service ports and you need to inject a chemical treatment into the system in-place, without full evacuation and recharge. Whether you're dealing with residential splits or commercial rooftop units, this tool streamlines the chemical additive insertion process.

Why Choose This Tool
Technicians often struggle with metering additives and coordinating vacuum-pump steps when injecting treatment fluids. With the Universal Treatment Injector, the dosage is accurately pre-measured, the tool is reusable and flexible across multiple product lines, and the injection step leverages the system’s own pressure to deliver the full dose in minutes. That means fewer service calls, less downtime, and a more efficient job for you.