Description
Nu-Calgon Rx11-FLUSH Liquid Starter Kit — 4300-38
The Nu-Calgon Rx11-FLUSH Liquid Starter Kit (4300-38) is a professional-grade refrigeration system flushing solution engineered to remove contaminants, residual oils, moisture, and debris from refrigerant circuits. Ideal for use after compressor burnouts, refrigerant retrofits, or any service scenario where system cleanliness is critical, this starter kit gives HVAC/R technicians everything they need to begin a thorough flush procedure right out of the box.
Why Flush Your Refrigerant System?
Contaminated refrigerant circuits are a leading cause of repeat compressor failures and reduced system efficiency. Acid, carbon deposits, moisture, and incompatible oils left behind after a burnout or refrigerant changeover can quickly damage new components. The Rx11-FLUSH liquid formula is specifically formulated to dissolve and purge these harmful residues, protecting your investment in new parts and restoring system performance.
Key Features
- Complete liquid starter kit — includes everything needed to begin the flushing process
- Effectively removes residual oils, acid, carbon, and other contaminants from refrigerant circuits
- Compatible with a wide range of refrigeration and air conditioning system types
- Designed for use after compressor burnouts and refrigerant retrofits
- Helps prevent repeat failures by ensuring a clean system before recharging
- Professional-grade formula trusted by HVAC/R technicians
- Nu-Calgon quality — a leading name in HVAC/R chemical solutions
Typical Applications
- Post-burnout system cleanup
- Refrigerant retrofit and changeover preparation
- Preventive maintenance flushing of refrigerant circuits
- Commercial refrigeration and air conditioning systems
About Nu-Calgon
Nu-Calgon is an industry-leading manufacturer of specialty chemicals and maintenance products for the HVAC/R industry. Their Rx11-FLUSH line is widely recognized by service professionals for reliability and effectiveness in the field.







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