Mastercool 91049-128 A/c Flush Solvent 1 Gallon

Product Description

The MASTERCOOL 91049-128 is a professional-grade, solvent-based A/C flush designed to clean automotive and HVAC/R system components before recharge or repair. The fast-evaporating formula removes refrigerant oil, debris, and sludge from hoses, condensers, and evaporators without leaving residue that could contaminate the system or cause compressor failure. It is non-flammable, non-corrosive, and formulated to be safe with A/C system O-rings and seals. Weighing 6.80 pounds per gallon container, this flush is intended for professional technician use in shop environments and is manufactured in the USA.

This flush solvent is suited for automotive A/C service and HVAC/R system maintenance in both independent shops and high-volume service facilities. It is compatible with R134a, R1234yf, R12, R22, and R410a systems, covering a wide range of residential, commercial, and automotive refrigerant applications. It is designed for use with the Mastercool 91046-A A/C System Flush Kit (sold separately). It is not intended for use on compressors, expansion valves, orifice tubes, filter driers, or accumulators.

Key Features

• Non-flammable and non-corrosive formula is safe for use in shop environments where ignition sources are present
• Fast-evaporating formula leaves no residue, reducing the risk of system contamination after service
• O-ring and seal compatible formulation helps prevent seal damage during the flushing process
• Effective at removing refrigerant oil, debris, and sludge from hoses, condensers, and evaporators
• Compatible with R134a, R1234yf, R12, R22, and R410a refrigerant systems
• Manufactured in the USA; designed for professional technician use only

Compatibility

Compatible with R134a, R1234yf, R12, R22, and R410a systems. Designed for use with the Mastercool 91046-A A/C System Flush Kit (sold separately). Do not use with CFC-based or flammable flush solvents. Not for use on compressors, expansion valves, orifice tubes, filter driers, or accumulators.

Installation Notes

This product should be applied by a licensed or trained HVAC/R or automotive A/C technician. Before flushing, recover all refrigerant from the system per applicable EPA Section 608 or Section 609 regulations. Use only with compatible flush equipment such as the Mastercool 91046-A Flush Kit. After flushing, dispose of used solvent, oil, and debris in full compliance with local, state, and federal environmental regulations governing chemical waste disposal.