Model GDS-C90 descales cooling and heating systems and can be used on chillers, condensers, heat exchangers, oil coolers, boilers and more. The flow reversal system speeds up descaling by managing the gas and foam caused by descaling. During the descaling process, lime scale dissolves and creates foam and gas, which act as a barrier to further scale reduction. Using the flow reversal valve allows the foam and gas to discharge into the tank, eliminating the barrier effect. The portable unit rolls easily from system to system.

Goodway Technologies Corp., (800) 243-7932

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