Water Boss 900 - Manual (Page 5)

3
Checklist Before Installation
1. Water Pressure - Not less than 20 psi constant for softeners.
2. Double check hardness - of water with test strips provided to verify that your appliance
is right for the job.
Model 550 FOR MUNICIPALLY-SUPPLIED WATER is for water without iron and up
to 25 grains of hardness per gallon.
Model 700 for up to 70 grains hardness per gallon.
Model 900 for up to 90 grains hardness per gallon. (See specifications, page 30.)
3. Water Supply Flow Rate - 5 gallons per minute is recommended as minimum.
4. Drain - Drain appliance to floor drain or washer drain. To prevent back-siphoning,
the installer must provide an adequate air gap or a siphon break. See figure 1.
5. Electricity - The transformer supplied is a standard 120 volt, 60 cycle A.C. for USA or
220 volt, 50 cycle A.C. for outside the USA. See figure 8.
6. Water Quality - If the water supply contains sulfur, bacteria, iron bacteria, tannins,
algae, oil, acid or other unusual substances, then unless the appliance is represented as
being capable of treating these contaminants in the specifications, other special
treatment of the water supply must be used to remove these contaminants before they
enter this product.
If you have any questions call our HelpLine!
When calling the HelpLine, please have this guide and the serial number
available. From 8 am to 5 pm EST, call 1-800-437-8993.
Your serial number may be found on top of your valve assembly.