NorthRoad Technologies Geyser 6000–3.0 Installation & Owner's Manual - page 9
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Locate drain valve at bottom of tank.
After draining and flushing the tank, turn off all water
supplies to the tank.
Make sure there is no water left in the tank, and remove
the drain valve. Set drain valve aside for use in a later
step.
Once the drain valve is removed, apply thread seal tape
to both ends of the ” brass nipple, (item 0 (the one
without the plastic tube), and install one end into the
water tank where the drain valve was. This nipple has
a temperature sensor attached to it. The nipple should
be inserted into the tank with the temperature sensor
closest to the tank side. Tighten with a pipe wrench
several turns making sure there is a tight fit, but be
careful not to over-tighten.
[Note that the tank flushing process is intended to remove all sediment from inside the tank.
Sediment may be so severe that simple removal is not possible. Severe sediment accumulation
will reduce the life expectancy of the tank, even without the GEYSER 6000–3.0™ installation.
Sediment is mainly minerals that have precipitated out of the water as happens when water
boils on the heating elements. The GEYSER 6000–3.0™ will reduce this build-up in the future,
because the GEYSER 6000–3.0™ will do most of the heating instead of the elements boiling the
water. This sediment is very difficult to completely remove, and could plug up the GEYSER 6000–
3.0™ condenser coil.]