I SECTION 21 BEFORE YOU START TO INSTALL
HELPFUL INFORMATION
If you know little about plumbing skills, we suggest you get a book on the subject. There are many good books for
WATER SYSTEM TESTS
HAS YOUR WATER SUPPLY HAD A CHEMICAL ANALYSIS? Sears has many kinds of water treating units (see page 6) to correct different water problems. To know the kind and size of unit you need, you must first know what elements are in your house water supply. A chemical analysis shows the type and amounts of elements in water. If your water needs analysis, call or write your nearest Sears store for help.
CHECK YOUR WATER PRESSURE - For your filter to work right, a water pressure of no lower than 20 pounds per square inch (psi) is needed in the house water pipes. The highest pressure allowed in the
•water pipes is 125 psi. If pressure is over 125 psi, buy and
install a pressure reducing valve in the water inlet pipe to the filter. NOTE: If water pressure during the day is 100
psi or more, pressure during the night may go over 125 psi.
If you have a well water system, look at the pressure gauge to find the water pressure. Call your local water department if you have city water. They will tell you what the water pressure is where you live.
You can get a low cost book from Sears Plumbing and Heating departments that will help you. If you have soldered before, some basic sweat soldering tips are on page 20 of this manual.
CHECK YOUR WATER FLOW RATE - A water flow of 51/2to 7 gallons per minute is needed. A lower flow will keep your filter from working as well as it should. To make an easy check of your flow rate, do the following. You will need a 1 gallon container (can, jar, pail, etc.).
1.Fully open 2 cold water faucets close to the point water enters the house.
2.With both faucets open, fill the gallon container at 1 faucet while looking at a watch or clock to see how many seconds it takes.
,Empty the container and go to the second faucet (be sure BOTH faucets are still on). Fill the gallon container at the second faucet and see how many seconds it takes.
4.Turn off both faucets. Now add the number of seconds it took to fill the container at both faucets.
5.A total of 35 seconds, or less, means the system flow rate is good.
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| FACTS AND FIGURES | TO KEEP |
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Fill in the blanks below and keep this book in a |
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safe place | so you | always have these facts. | Iron | Content |
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| Parts | Per | Million | ||
Water | Filter | Model | No. 1" | *pH |
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| __ | Taste And/Or Odor | __ |
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Serial | Number 1 |
| Water | Pressure | __ | Pounds/Square | Inch | ||||
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Date | Installed |
| Water | Flow | Rate __ | Gallons | Per | Minute | |||
1"Get from the rating decal on the filter. | * The | acidity | or | alkalinity | measure of | water. | |||||