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What goes in this spot?
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Topic: What goes in this spot? (Read 4646 times)
spolkyc
Junior Member
Posts: 4
What goes in this spot?
«
on:
April 29, 2013, 02:08:13 am »
I am working on a tub that is new to me. The control panel says "coast spas" but I don't know much other then that and what is on the motor, heaters, etc name plates. So the question is, what goes in this spot? There are 2 dirverter valves in other spots what is in the pipe looks like them (a vertical inlet & 2 horizontal inlets) but the cap that was on the other valves does not fit. It is too large by a small amount, the cap drops over the thread instead of threading on. The other dirverter valve I can see in (I was able to remove) has water at about the water line of the tub but the one in question water can not be seen. Also the shape of the spot where this plumbing comes out looks like something else should go there. Any ideas? THANKS!
What goes here?
Inside the plumbing in question
Dirverter valve before I pulled it out. This cap does not thread on the one in question, it just drops over.
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Hot Tub Forum
What goes in this spot?
«
on:
April 29, 2013, 02:08:13 am »
Jacuzzi Jim
Ultimate Member
Posts: 3584
Re: What goes in this spot?
«
Reply #1 on:
April 29, 2013, 02:31:17 pm »
Best guess is a larger divertor gate? Odd!!
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Tman122
Ultimate Member
Posts: 4424
If it Ain't Broke
Re: What goes in this spot?
«
Reply #2 on:
April 29, 2013, 04:40:12 pm »
Maybe an aroma therapy port missing a cap.
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Retired
Chas
Mentor Level Member
Posts: 6481
Hot water is Cool.
Re: What goes in this spot?
«
Reply #3 on:
May 01, 2013, 06:06:04 pm »
I sure looks like another diverter valve. It could be for air - to divert the air from a blower to either 'supercharge' certain jets, or send the air to little bubbler outlets scattered around the tub.
HTH
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Former HotSpring Dealer - Southern Cal.
spolkyc
Junior Member
Posts: 4
Re: What goes in this spot?
«
Reply #4 on:
May 04, 2013, 03:25:01 pm »
Ok so it look like it is another diverter valve after all. The power was hooked up the other day and when pump 2 was turned on that hole became a huge fountain. Another problem is so did the others! It looks like there is an issue with the threads or the covers I have / picked up.
The caps thread on but just ok. When you get them tight the cap slips, it never gets fully tight. The threads on the pipe don't look too bad. And I would think to hold all that pressure more thread engagement would be needed and to pop off they would have to look really bad. Just loosing say 5% to 10% off the tip of the threads allows the cap to come off?! The diverter valve part inside I picked up seems to correct. Maybe the wrong cap?
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Chas
Mentor Level Member
Posts: 6481
Hot water is Cool.
Re: What goes in this spot?
«
Reply #5 on:
May 04, 2013, 11:00:27 pm »
yes, you have the wrong parts. You're right: it needs to be the exact fit or it can become a dangerous missile!
Keep safe...
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Former HotSpring Dealer - Southern Cal.
spolkyc
Junior Member
Posts: 4
Re: What goes in this spot?
«
Reply #6 on:
May 05, 2013, 01:51:03 am »
Yep the new caps were buttress threads and the valves have v threads. But even with a new v thread cap it only gets so tight. I was able to avoid the missile but got a good spray today. Thanks for the heads up Chas. At the parts place I was able to see how a diverter valve is built. I didn't know it could actually slide vertical in the mount to the shell. So I am guessing the tubing has moved or shrunk a little pulling the valve and threads down. With a bar I was able to push the valve up a little bit. I am worried this will stress the tubing or something else and cause more leaks. So it looks like I have 2 options. Cut the tubing and put splices in the line (3 per valve) to give a little extra length. Or epoxy the valve covers to the valve.
Epoxying the valves would be quick and easy but if there is a leak from an o-ring or the valve needs service the whole valve must be replaced. Also I am unsure it will hold the pressure forever, especially because I can't check the bonded area after it sets.
Adding splices will be much harder and will make more places for potential leaks. Also I am unsure if the whole cap thing will even work then. But I am thinking this is the correct way to do it.
Any thoughts or better ideas??
«
Last Edit: May 05, 2013, 02:01:08 am by spolkyc
»
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Chas
Mentor Level Member
Posts: 6481
Hot water is Cool.
Re: What goes in this spot?
«
Reply #7 on:
May 05, 2013, 07:31:07 am »
Flex PVC does shrink with age, and if the plumbing in question is a short run, that shrinkage can put a lot of stress on glued joints.
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Former HotSpring Dealer - Southern Cal.
spolkyc
Junior Member
Posts: 4
Re: What goes in this spot?
«
Reply #8 on:
May 15, 2013, 11:17:59 am »
Ok well that sounds like the plan. The runs may be short in some spots. I can see one that is longer but runs under the shell and is touching it / pinned. I could see this adding stress if shortened. I will put a coupler on and hopefully that adds the needed length. Thanks for your help.
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Hot Tub Forum
Re: What goes in this spot?
«
Reply #8 on:
May 15, 2013, 11:17:59 am »
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