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Materials
• Brine line, 3/8” (P/N 01009819 or equivalent)
• Drain line, 1/2” (P/N 00303082, gray, semi-flexible; P/N 00331946, black, semi-rigid; or
equivalent)
• Thread sealing tape
• Pressure reducing valve (if pressure exceeds 125 psi [860 kPa])
• Pipe and fittings suited to the type of installation
• Water softener salt (rock, solar or pellet salt formulated specifically for water softeners)
Application
Water Quality
Verify that raw water hardness and iron are within limits. Note the hardness for setting the salt dosage
and recharge frequency.
Iron is a common water problem. The chemical/physical nature of iron found in natural water supplies is
exhibited in four general types: Dissolved Iron, Particulate Iron, Organic Bound Iron and Bacterial Iron.
Hardness sample kits are available through your local Culligan dealer.
Pressure
If pressure exceeds 125 psi (860 kPa), install a pressure reducing valve (see materials checklist). On pri-
vate water systems, make sure the minimum pressure (the pressure at which the pump starts) is greater than
20 psi (140 kPa). Adjust the pressure switch if necessary.
CAUTION! Do not use where the water is microbiologically unsafe or with
water of unknown quality adequate disinfection before or
after the unit.
CAUTION! The use of a pressure reducing valve may limit the flow of
water in the household.
Temperature
Do not install the unit where it might freeze, or next to a water heater or furnace or in direct sunlight.
Outdoor installation is not recommended, and voids the warranty. Use the Culligan Outdoor HE softener
for outdoor installations. The Culligan Outdoor HE softener has been certified by Underwriter’s Laborato-
ries for outdoor installation. If installing in an outside location, you must take the steps necessary to assure
the softener installation plumbing, wiring, etc. Areas well protected from the elements (sunlight, rain, wind,
heat, cold), contamination, vandalism, etc. as when installed indoors.
Location
Space Requirements
Allow 6–12 inches (15–30 cm) behind the unit for plumbing and drain lines and 4 feet (1.3 meters) above
for service access and filling the salt container.
Floor Surface
Choose an area with solid, level floor free of bumps or irregularities. Bumps, cracks, stones and other
irregularities can cause the salt storage tank bottom to crack when filled with salt and water.