OPERATION
General information
4
| Scale TAC-ler Plus www.stiebel-eltron-usa.com
INSTALLATION
4. General information
While we strongly recommend that a licensed plumber perform
all installation work, a mechanically-inclined homeowner can in-
stall a Scale TAC-ler Plus system. In all cases, it is critical that the
installation be done in accordance with these instructions and all
applicable plumbing codes. Be sure to obtain all required permits.
If these instructions and the applicable codes are in conflict, the
relevant plumbing/electrical code shall be followed. Equipment
failure, personal injury, or property damage can result if this
equipment is not installed properly.
5. Required supplies
You will need the following plumbing supplies:
- The fittings on the Scale TAC-ler Plus system are designed to
accept ¾” NPT (male) fittings.
- PVC or PEX pipe is recommended for all installations involv-
ing Scale TAC-ler Plus series systems. While copper may be
used, it is not recommended. See warnings regarding copper
pipes later in this document.
- We recommend that shut-off valves (ball valves) be installed
before and after the TAC-ler system. This allows for the fil-
ter to be isolated for maintenance such as filter cartridges
changes. An optional premium installation kit (part #692501)
is available for this purpose.
- Teflon tape for thread sealing. Do not use pipe dope.
Your plumber can supply all of these parts, or they can be pur-
chased at your local hardware or plumbing supply store at min-
imal cost (take these instructions to the store with you so the
store clerk can make sure you get everything you need). Only use
galvanized fittings for installation on galvanized pipe.
6. Installation
6.1 Select an installation location.
This product is intended for indoor installation only. This filter
may be used to treat all of the water for an entire building if
the flow rate is less than 6 gallons per minute, however, it is
more commonly used to treat only the water going to a tankless
water heater. How you plan to use this product will determine
the location of installation. In any event, select an installation
location with convenient access for regular filter replacements
and maintenance. The Scale TAC-ler Plus conditioner is design to
be installed after treatment equipment designed to remove iron,
manganese, hydrogen sulfide, sediment, and chlorine (if appli-
cable). Polyphosphate feeders should never be placed before or
after the Scale TAC-ler Plus conditioner.
If you plan on using this product to treat all of the water entering
the building, this filter should be installed on the main cold water
line after the pressure tank or water meter, and after most any
other water treatment equipment except a UV sterilizer or chlo-
rinator. The recommended sequence of water system/treatment
equipment if you are using this product to treat all of the water
for the building is as follows:
- Pressure Tank or Water Meter If Applicable
- Branch Line to Outdoor Irrigation
- Backwashing Iron Filter (if equipped)
- Cartridge Filters for sediment, chlorine, taste & odor
treatment.
- Scale TAC-ler Plus Salt-Free Hard Water Conditioner
- UV Sterilizer or Chlorinator for Disinfection of Bacteria, Virus-
es, etc. (if equipped)
If you are using this product to treat just the water going to a
specific application in the building (tankless water heater or dish-
washer for instance), it should be located on the branch water
line prior to the appliance or equipment that you are seeking to
protect from hard water scale, but after most other water treat-
ment equipment. If this filter is used after a chlorinator and it is
possible that the free chlorine level could exceed 3 ppm (mg/l), it
is recommended that you install a activated carbon filter ahead
of the Scale TAC-ler Plus system to remove the chlorine prior to
the filter. Excess chlorine can harm the media.
If you have purchased the optional premium installation kit (part
#692501), you will likely want to mount your TAC-ler system close
to your tankless water heater so you can use the 18” flexible
connector to make the connection between your TAC-ler and the
heater.
6.2 Shut off main water supply and drain pipes.
Opening the highest and lowest fixtures in the house will help
drain the pipes.
MATERIAL LOSSES:
If you have an electric water heater (tankless or con-
ventional), TURN OFF all power to the water heater
before proceeding. If you fail to do this, you may cause
severe permanent damage to its heating elements.
6.3 Cut into existing main water line
Using a pipe cutter, cut out a section of your main water line at the
point where you want to install your filter system. There will prob-
ably be some water remaining in the system, so be sure to have
a bucket and some rags handy to clean up any small spills. Make
sure that the section of water line you remove is appropriately
sized such that all of the components of the system including the
shut-off-valves, adapters, and the black filter cap will fit snuggly
when assembled. If in doubt, cut a smaller section at first – you
can always remove a slightly larger section upon final assembly
if necessary.
6.4 Mount on wall
Attach the mounting bracket to the housing cap using the 4 lag
bolts and 4 of the large washers provided, then securely mount
the housing to the wall using the 4 pan-head wood screws and
the remaining 4 large washers and 4 small washers. If you are
securing the system to drywall or plaster, be sure that the wood
screws reach a wood stud, or alternatively, install appropriate an-
chors for secure support. If mounting to concrete or other surface,
you may need to purchase alternative fasteners from a hardware
store. Be sure to allow enough space below the housing cap to
accommodate the white housing sump plus a minimum of an
additional 3 inches of clearance.
