Elecro Engineering 900 EVO, Installation & Operating Manual, Page: 3 / 23

2
Positioning
Your heater must be horizontally or vertically sited allowing sufficient
space for pipe connections and wiring, it should be screw fixed securely to
a firm base or wall.
NOTE: See Fig 2. for details of the foot arrangement when securing to
the wall or floor.
The heater should be installed at a low point in the filtration system.
It must be positioned downstream of (after) the filter and upstream of
(before) any dosing or other water treatment plant (see Fig 3.)
NOTE : If the flow direction is reversed (explained later in this
booklet) the heater MUST remain sited after the filter.
Factory set floor
mount ‘Foot position’
To reset for wall
mount option,
undo the bolts and
re-assemble in the
vertical position as
shown.
Floor mount ‘Foot position’
Wall mount ‘Foot position’
Fig 2.
EN
G
LIS
H
3
EN
G
LIS
H
Flow switch
at top
For vertical wall
mounting water
must always enter
at the bottom
Fig 3.
Fig 4.
PUMP
FILTER
POND
900 EVO AQUATIC HEATER
NO
N
RE
TU
RN
VA
LV
E
W
AT
ER
TRE
AT
M
EN
T