Completion 1. Remove the front plate and tighten the wing nut. 2. Mount the front plate. Maintenance To clean the valve remove the front plate and clean it with a mild detergent or a wet cloth. Make sure not to change the cone’s position while cleaning the valve. The insulation filter can be changed by first removing the insulation holder and then the filter. Press the new insulation filter onto the front plate and then press the insulation holder onto the insulation filter. 5
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