Upon arrival the unit comes with the knee valve installed backwards for adding shipping protection. First remove the knee valve by unscrewing it from the mounting bolts on the unit. The next step is to install three brass pipe thread adapters into the knee valve as shown. Please note that these adapters are not supplied by Advance Tabco. Use a wrench to tighten the adapters securely. It’s now time to install the knee valve into the sink. First insert the knee valve through the opening in the sink as shown. Next, secure the valve on the unit with the nuts and bolts provided. Use a wrench to tighten.

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This video shows you how to correctly install the knee valve for the Advance Tabco 7-PS-63 hands free hand sink.

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