Eliminate the possibility of mixing that can harm the environment, or damage machinery. This design (Patents A.F.) has a special chamber containing an environmentally friendly, proprietary fluid that separates the traditional hot and cold fluids, and is sensitive to pressure change. A slight change in the pressure, up or down in the Fail Safe chamber will cause an electrical, or air signal to be sent to an external devise that alerts the user of a leak within the exchanger. The user is alerted to a problem BEFORE the damage can occur.
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