A low watt customized circulator is factory
matched to each SureFlow® fan coil creating an
independent secondary circuit. When there is a call for heating or cooling the
circulator delivers the design flow GPM to each unit from the primary loop to
the specially circuted coil, and then back to the primary loop. Place multiple
SureFlow® fan coils on a primary loop in series and you are able to satisfy the
comfort requirements of individual rooms with a single pipe for cooling and a
single pipe for heating. SureFlow® is designed to eliminate differential system
pressures which allow the individual units to respond to dynamic building
load changes. Each SureFlow® fan coil cycles on and off under control of its
individual thermostat; no special thermostats are required. The central pump
is no longer responsible for overcoming the valve and coil losses, but is only
required to move water continuously and easily through the distribution
piping. This significantly reduces the horsepower demands of the central
pump, resulting in increased pump energy savings for the building.
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