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INSTALLATION
4 L20-294, rev. 0 (1/06)
1.4. PLUMBING CONNECTIONS
The plumbing installation should be done by a licensed plumber and must comply with local and
national codes.
1.4.1. WATER INLET CONNECTIONS
If a faucet or water fill option is equipped on your appliance connections to a potable water supply
will be required. If a single water connection is required it is recommended that the appliance is
connected to hot water supply. This will greatly decrease the time it takes for the appliance to
reach operating temperature. Prior to installation, a water treatment specialist should inspect the
water supply. Water hardness should contain no more then 2.0 grains/gallon. The pH level
should be between 6.5 and 8.0. These conditions can be obtained with the use of a properly
maintained water softener. The incoming water pressure should be between 20 psi (1.38 bars) to
60 psi (4.14 bars). For higher water pressures, a high-pressure regulator must be installed to
inlet plumbing to avoid damage caused by water hammer. The maximum allowable incoming
water temperature is 180°F (82°C). Have your water tested and record the measured values
below.
1.4.2. DRAIN CONNECTIONS
Each tank has a drain that can be inserted into a drainage system. Each tank also has an
overflow line. The overflow connection is after the drain valve to provide an unobstructed
overflow path. The drain and overflow line for each tank is connected together to form a common
drain line.
Water Quality Checklist
Measured Range OK
Temperature 180°F (82°C) Max.
Hardness 2.0 Grains/Gal. Max.
pH 6.5 to 8.0
Pressure 20 psi to 60 psi
WARNING
When water is at a high temperature and high pressure, excessive splashing of hot water
may occur that could result in injury.