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General Pool/Spa
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What are the functions on the multi-port valve?
- Filter –Allows the water to flow through the filter media and then directs the water to the return lines.
- Backwash – When the filter pressure rises 8-10 pounds over the clean starting pressure, the water is directed through the filter in the opposite direction of “Filter”. This enables the dirty water and debris to be removed from the filter.
- Waste – The water is directed from the pump, through the multi-port valve and out of the waste line. (The water never enters the filter tank).
- Re-circulate – The water enters the valve and returns into the pool. (The water never enters the filter tank).
- Rinse – Mainly used with sand filters. After backwashing run the filter in the rinse position, this will clear the plumbing lines from any remaining debris left after backwashing and resets the sand bed.
- Closed – This position will not allow water flow through the valve.
- Winter – Used when winterizing. This position is between two other positions and allows water to flow in all directions. This is used to prevent water being trapped in the valve that could freeze and crack the valve. This position is not on all valves.
Why does my pressure gauge never move?
- The pressure gauge will show a reading when water passes through the valve or filter, depending on the gauge’s location. If the gauge remains at zero or stays at the same pressure, whether the pump is operating or not, the gauge is broken and needs to be replaced.
Why will my handle not stay up?
- The handle is kept in position by a handle spring. The tension on the handle helps keep the gasket seated and the water flowing in the correct direction. The spring may need to be replaced.
Why is there water leaking around the handle?
- The internal stem assembly has a shaft seal to prevent water leaks around the handle. The stem gaskets need to be replaced.
Why is there water leaking under the bolts?
- The cover gasket is either warped or pinched. With the pump off, remove the cover assembly and examine the gasket. If the gasket cannot be reseated, it will need to be replaced.
Why is there water leaking from the backwash/waste line while I am filtering the pool?
- At the bottom of the valve is a spider gasket. This gasket seals against the valve body to divide the ports. Depending on the placement of the handle, each port is designed to direct the water flow in the appropriate direction. If the gasket swells, or becomes unseated from the channel, the water will flow in various directions. The gasket can be replaced in some models or the entire key/stem assembly will need to be replaced.
How do I replace the spider gasket?
- On all models with the exception of the 714 series, the spider gasket can be replaced. The
first step would be to GENLTY remove the old gasket and glue, ensuring the channels are clean and clear. There are two types of glues that can be used for this application, crazy glue or 3M adhesive, part number SPX0710Z9. - 3M adhesive – Lay a bead of adhesive into the channel where the gasket sits. Place the flat side of gasket into the channel. Apply pressure to firmly seat the gasket and let dry for 24 hours.
- Crazy Glue – Use caution when using crazy glue. You will have only ONE chance to seat the gasket. Follow the instructions above for installation.
What is the difference between a CL200 and a CL220?
- The difference between the two units is how they are installed. The CL200 is installed in-line. This means that it is directly installed into the rigid PVC plumbing lines. The CL220 is an off-line chlorinator and is attached to the PVC plumbing lines through the black tubing and saddle clamps included with the unit. The output and types of chlorine dispensed are the same.
Where does the chlorinator get installed?
- It is the last piece of equipment installed in the plumbing lines on the equipment pad. It is located just before the water returns to the pool. This is done to keep the extremely corrosive chlorine water and gas from entering into the equipment.
What chemicals can I use in the chlorinator?
- ONLY Trichloro-S-Triazinetrione (Tri-Chloro) based, slow dissolving stabilized tablets are to be used in the chlorinator.





