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When the spa and the waterfall running, the waterfall will **** out the water from the spa to the pool. what is wrong with this?

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The valve(s) controlling water flow to all the features are not set correctly. You will need to increase the amount going back to the spa to keep it from draining. Depending on the valves in use they are not overly difficult to change the diverter settings. If you need help with that please comment to this post and include the valve brand and model number.


Posted on Apr 11, 2011

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The waterfall is not working. How can I fix it?

To give you some advice about how to fix your waterfall probably you should specify your equipmente.
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The threaded cap the holds the waterfall valve in place is most likely cracked so you will just need a new valve. Send me a picture of it and I can see if I can locate one for you.

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If you turn the valve to operate the waterfall feature on your spa and no water is coming out of it, my best guess would be the valve is broken and not turning to allow the water to go to the waterfall.
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I have an inground pool and elevated spa that overflows into the pool by waterfall. I have freeze protection which causes the pump to run in colder temps. I did not know that and thought I turned the pump...

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Why does the spa empty when the pump shuts off? just got a pool with an aqualink RS4 and no manual to look at. thanks

This problem can be caused by a couple things. the two most likely culprtits are either the absence of check valves and or incorrect actuator settings when the pump shuts down.

Your spa is most likely higher than the pool. You most likely have a spill over (waterfall) feature from the spa into the pool. This is so the spa water can be recirculated in pool mode. One of your actuator valves may be slightly off closed position in order to allow spill over in the spa, or you may have a dedicated overfill pipe in the circuit to feed water to spa in pool mode.

Whichever spill over piping you have set up, when the pump shuts down, water from the spa ( higher level than the pool) will backfeed through the overflow spa circuit, back through the pump and into the pool through either drain or return. Effectively rendering your spa level the same level as your pool.

To fix this problem, simply install check valves into the spa runs and as a secondary measure put one into the pool return run ( the run that feeds water to pool).

This will insure that when the pump shuts down, no matter which position the valve actuators may be set, water can not back feed through the pump circuit from spa to pool.

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