Sludge Gun application for line set cleaning/conversion from R-22 to R-410A animation Post author:Staff Post published:May 2, 2018 Post category:Inside Hydro-Balance Tags: line conversion, line-set, r-410A, retrofit You Might Also Like 3D Surfactant and Reactive Coil Cleaning July 23, 2021 Different Types of Coil Cleaners April 20, 2023 Tips for Safe Handling and/or Use of Coil Cleaners March 25, 2024