Flush Starter Kit for Refrigeration/Air Conditioning System

The Nu-Calgon 4300-08 Rx11-Flush Starter Kit provides a complete, professional-grade solution for cleaning and flushing refrigeration and air conditioning systems.

Designed for use during system replacements, retrofits, or compressor burnouts, the Nu-Calgon Rx11-Flush Starter Kit offers an efficient and safe method for removing contaminants, oils, and debris from HVAC and refrigeration lines. The kit includes a 1 lb can of Rx11-Flush solvent, a reusable charging gun, a connecting hose, and an injection tool—providing everything needed for fast, effective system cleaning with minimal waste and no residue.

• Model number 4300-08 identifies the Nu-Calgon Rx11-Flush Starter Kit containing a 1 lb can of solvent, gun assembly, hose, and injection tool.
• Ideal for HVAC technicians performing system cleanouts, line set flushing, or maintenance on air conditioning and refrigeration systems.
• Safe for use with all refrigerants including R-410A, R-22, R-407C, and R-134a, and compatible with POE, PAG, and mineral oils.

Technical Data & Performance

• Product Type: System Flush Starter Kit.
• Brand: Nu-Calgon.
• Kit Includes:
  • 1 lb can of Rx11-Flush solvent.
  • Flush gun with control trigger for regulated flow.
  • Flexible hose for solvent delivery.
  • Injection tool for quick connection to systems.
• Application: Cleans and removes residual oil, acid, moisture, and debris from refrigerant lines, condensers, and evaporators.
• System Type: For air conditioning and refrigeration systems of all sizes.
• Function: Provides high-velocity cleaning action to ensure a contaminant-free system interior before charging with new refrigerant.
• Chemical Composition: Proprietary non-toxic, non-flammable solvent that evaporates completely and leaves no residue.
• Compatibility: Safe for copper, aluminum, and synthetic materials found in HVAC systems.
• Pressure Rating: Works with typical system pressures; gun and hose rated for high-pressure solvent discharge.
• Operating Temperature Range: Effective across standard ambient service conditions from 40°F to 120°F (4°C–49°C).
• Environmental Safety: Non-ozone-depleting, non-VOC, and EPA-compliant solvent formulation.
• Maintenance: Reusable flush gun and hose; replace solvent can as needed.
• Packaging: Supplied as a complete kit ready for field use.
• Storage: Store in a cool, dry area away from direct sunlight and ignition sources.
• Compliance: Meets EPA Section 608 and ASHRAE service standards for refrigerant system maintenance.
• Warranty: Covered by Nu-Calgon’s Limited Manufacturer’s Warranty ensuring quality and performance.