Installation Guide

SERVICE
24 • Electric Tankless Water Heater
C.) Secure the element by installing and
tightening the retaining nut (Figure
14, page 23). Do not overtighten.
D.) Secure the red and black wires onto
the top of the heating element. Use
the two screws that you removed
earlier.
E.) Reconnect the green ground wire
to the element’s ground terminal
(flag terminal).
6.5 Reassemble the point-of-use
water heater:
A.) Reposition both grommets as
shown in
Figure 17. Ensure that
their flat surfaces press firmly against
the top plate when you reinstall it.
Figure 16.
Brass ring on point-of-use models.
Place brass ground ring
on top of element.
<ĞĞƉŇĂŐƚĞƌŵŝŶĂů
accessible.
B.) Reinstall the top plate and secure
it with the two screws that you
removed earlier. (See Figure 12,
page 23.)
C.)
Go to step 8 on page 25.
Figure 17.
Point-of-use models:
Grommet Orienta on
Flat surface presses against inside
surface of housing. See above.
Grommets
Outlet Inlet
Flat
7
Two- or four-chamber water
heaters only:
7.1 Drain the two- or four-chamber
water heater:
A.) Remove all six screws that secure
the access plate beneath the
element (at the bottom of the
water heater). See Figure 18.
B.) Remove the access plate and allow
the water to drain into the bucket.
C.) Clean the access plate and both
seals.
D.) Make sure that both seals are
seated properly, then reinstall the
access plate. (Use all six screws
that you removed earlier.)
Figure 18.
Access Plates:
Two- or Four-Chamber models only
ĐĐĞƐƐWůĂƚĞ;ďŽƩŽŵŽĨŚĞĂƚĞƌͿ
ͻ dǁŽͲĐŚĂŵďĞƌŵŽĚĞůƐ͗
one access plate
ͻ &ŽƵƌͲĐŚĂŵďĞƌŵŽĚĞůƐ͗
two access plates
7.2 Remove the old element:
A.) Remove the screws that secure the
red and black wires to the top of
the heating element (Figure 19).
Use the Phillips screwdriver. Save
both screws for later use.
B.) Remove the heating element with
an element wrench.
C.) Lift the element out of the water
heater. NOTICE: As you lift the
element and O-ring out of the
opening, wrap them with a rag
to keep water from dripping onto
the circuit board.
Figure 19.
Top view of element
(two- or four-chamber model)
D.)