Brochure

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WATER HEATER TANK MIXING VALVE
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The thermostatic mixing valve mixes the hot and cold water at the inlets
to maintain constant mixed water at the desired set temperature. The
TankMixer™ 520 series, point of distribution mixing valve, is an angled
configuration combined with a flexible hose and cold water cross for easy
installation to most water heaters for direct mounting to the universal ¾”
male NPT threaded top pipe connections with a variety of outlet connection
styles. This provides increased usable hot water capacity on existing or
new high efficiency water heaters by allowing water to be stored at a higher
temperature and safely delivered at lower adjustable temperatures to all
fixtures, In addition, it can be used to reduce legionella growth by allowing
the water heater thermostat to be set at 140°F. The flexible hose length
allows mounting to all water heater tank sizes. The TankMixer™ comes
standard with a plugged recirculation port that can be used for connecting
to a hot water recirculation loop.
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The materials used the mixing valve are designed to minimize limescale
formation. All functional parts are made with a special anti-scale material
with low adherence coefficient, which ensures long term performance.
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In the event of accidental cold water supply failure, the shutter seals off the
hot water passage, thus preventing the delivery of mixed temperature water.
This is only guaranteed when there is a minimum temperature difference
between the inlet hot water and the mixed temperature water delivery of 30°F.
Body shape
The “L” pattern, angle body configuration has improved fluid dynamics for
better performance, and reduces installation labor and materials because
the hot inlet port is in line with the mixed outlet port, eliminating a piping
elbow as required for standard mixing valves. The cold inlet comes in the
side.
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In systems with thermostatic mixing valves, check valves must be installed to
prevent undesired backflow. The TankMixer™ 520 series mixing valves are
supplied complete with a check valve on the cold water inlet.
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The temperature is set at the desired value using the control knob with the
graduated scale on the valve.
Pos. Min. 1234567Max.
T (°F) 95 105 115 120 125 132 140 145 150
T (°C) 35 40 45 48 52 56 60 63 65
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Position the handle to the number required with respect to the index point.
Unscrew the head screw, pull off the handle and reposition it so that the
handle fits into the internal slot of the knob. Tighten the head screw.