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Installation Considerations For best results, Hansgrohe recommends that this unit be installed by a licensed, professional plumber. Please read over these instructions thoroughly before beginning installation. Make sure that you have all tools and supplies needed to complete the installation. This faucet requires a 1/2" NPT male nipple, extending 1/2" outside the surface of the finished wall. Stud supports for the mounting flange must be installed. Extreme care should be taken to avoid damage to