The AMTROL High Performance Pressuriser is a true whole house pressure boosting system. The units are pre-assembled with a low-suction cutoff, thermal overload protection and built-in junction box. The Pressuriser includes a properly sized pressure tank to reduce pump cycling. This decreases power consumption while drastically improving motor life. Unlike small in-line models, this pressure tank provides additional water storage to meet peak water demands while improving efficiency.    Features:  Stainless-steel pump head Components and capabilities normally found in commercial systems 115/230v compatible Boost capabilities from 40 to 50 psi over city pressure Includes pressure and temperature safety switches Quiet operation (65dB) 2-year Limited Warranty