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Understanding your inline tablet chlorinator.

Your inline chlorinator is a small but very significant piece of equipment. It is called a Tri-Chlor chlorinator because it uses trichlor tablets to help maintain safe, clear water for your swimming enjoyment. The purpose of this article is to describe the components and function of your inline pool chlorinator.

Two Different Types of Tri-Chlor Chlorinators

    In-Line Automatic Chlorinator
    This type of chlorinator is called "in-line" because it actually plumbs into the return line of the pool. The Rainbow 320 is a good example of this. There is a scoop that picks up water out of the return line and pushes it up into the chlorinator. The water then exits through the bottom of the chlorinator into the return line.

    Off-Line Automatic Chlorinator
    This is called "off-line" because it stands on the ground and has hoses that lead too and from the plumbing. The Rainbow 300 is a good example of this. The intake hose taps into the line between the pump and the filter, and the outlet hose taps into the line after the heater. It takes advantage of the pressure differential created by the filter.

The Basic Components of an inline Tri-Chlor Chlorinator:

    Control Valve
    This governs the flow of water into the chlorinator and thereby controls the chlorine feed rate (to a certain extent).

    Body
    This is a tube that holds the tablets. It is sized for a three inch tablet but also can be used with one inch tablets, but they dissolve much more quickly

    Important - use ONLY trichlor tablets in this chlorinator. Do not put granular chlorine or any other type of tablet or any other chemical in this chlorine feeder. It can create an explosion and result in serious injury and equipment damage.

    Cap/O-Ring
    This is the top cap that screws on. It has an o-ring that should be changed every 6-12 months. The strong chlorine tends to dry out this o-ring fairly quickly.

    Check Valve
    There is a check valve in the bottom of the chlorinator which helps to keep water from backing up through the chlorinator into the rest of the equipment. This has limited valve.

    Every chlorinator should have a full sized check valve installed upstream of the outlet port, especially if if there is a heater in the system. It needs to be a corrosion resistant Rainbow check valve and not some other type of check valve.

NEED HELP? Having problems with your chlorinator? Would you like to install a new chlorinator? Contact Pool Stop today! Give us a call at 972-772-4545 to ask questions or set up an appointment OR hit the "Request Info" button and fill out a service request form so we can schedule your service call. Our team of experienced, licensed professionals is available to help you with expert advice, repairs, and installation.

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