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Help: Air Lock? Jammed Whirlpool Jet Ring?

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Hello, I am a newbie to the hot tub experience.  A few weeks ago I had a thermospa tech come out and get my Chesapeake Tub up and running.  He took me through the controls and functionality.  There is a Whirlpool Jet Ring circled in Red on my diagram that he turned to show me how to direct the water flow.  We have been using the hot tub but I have been unable to turn this ring.  It moves a 1/4" left and right and feels loose but it will not move beyond that.  There is also a large round jet or inlet or outlet in the middle of the ring that does not seem to be doing anything (in or out).  I did not think too much about it as the tub seems to be doing a lot of things to our enjoyment.

However, I discovered that the jets circled in blue are not doing anything and began to think this ring needs to be turned to get them going, but again, I can't turn it and have been reluctant to force it.

I did some googling and see an air lock could be the cause of the jets circled in blue not functioning.  Could an air lock also cause the whirlpool jet ring to jam up?  Should I force the ring?  It also feel like it is off the threads and hence not screwing in or out?

Does any of this sound familiar to anyone?  I know the tech was turning this ring pretty easily while the tub was filling and I believe the water flow was redirecting with his turns.  Now it won't move.  Any tips or tricks here? Thanks in advance.




Whirlpool Jet.jpg

Whirlpool Jet Intructions.JPG

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Can you turn the valve when the pump is turned off?  Adjusting the diverter valves with your pumps running is a sure fire way to destroy the valve guts.  There's just way too much pressure in the hoses there for the plastic knob to turn.



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Thank you Jersey Hot Tub Repair, hmmm, I will have to try this, from memory I can't say that I have tried this with the pump off.  I thought my pump only has high and low and not off?  I guess I could kill the power and give it a shot.

I spoke with a thermospa tech and he said there is most likely a broken piece of plastic in the diffuser that could be jamming it up.  Unfortunately they don't make this valve anymore so it would take a full replacement of the jet/diffuser assembly with an aftermarket one.  He said to try and take off the jet and ring by removing something called a C-Clip.  He said it's difficult and a two man job.

It was spinning fine when the tub was filling when I had the service call and the onsite tech was showing me how to use the tub.  Frustrating.


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Well you were right Jersey,, I put the pump in low and I was able to spin the diffuser and redirect the water flow as it was designed. 

Thanks so much for that tip. I would have probably paid for $300 service call. 

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