Calefactio has added a three-way valve to its GMP6 and GMP18 glycol feeders. With a hose, users can direct the pump intake to the independent solution tank. When finished, the valve turns so that the pump suctions the GMP into the system. A reusable filling kit that contains a six-foot hose and strainer is sold separately. This kit allows users to pump directly from an independent solution tank into the system.
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