Allagash Posted May 10, 2016 Report Share Posted May 10, 2016 I've got a Caldera Geneva hot tub that I bought new in the fall of 2012. Aside from replacing the cover this year, I've really not had any major issues with it up until now. Yesterday, I noticed water on the ground around the edge of the spa. I pulled the side panel off to check things out. There was water around the circulation pump. It was leaking out slowly. It appears to be leaking from the large ring that you can tighten with a pair of channel lock pliers. I tightened the ring but it did nothing to stop the leak. My questions are: Is there an O ring that I can change within the large ring in the middle that I tried to tighten? If there is an O ring, where can I buy it? If there is no O ring, do I need to replace the whole pump? If I need to replace the whole pump, where is a good place to buy one? I've attached pictures to show you what I'm dealing with. Quote Link to comment Share on other sites More sharing options...
n1oty Posted May 10, 2016 Report Share Posted May 10, 2016 If you are the original owner, this should be under warranty. Contact your dealer. A travel charge at most and they will put a new circ pump in for you. John Quote Link to comment Share on other sites More sharing options...
Brian VT Posted May 11, 2016 Report Share Posted May 11, 2016 The plastic casing on mine developed a hole. There was a really thin spot (design or moulding problem) that eventually lets go. Mine wasn't under warranty so I fixed it with epoxy. Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted May 11, 2016 Report Share Posted May 11, 2016 FYI: If it's getting that hole, you're using too much chlorine. Other problems will follow Quote Link to comment Share on other sites More sharing options...
Brian VT Posted May 11, 2016 Report Share Posted May 11, 2016 Good to know. Thanks. I assume the too much chlorine was when the PO had it. I follow the bromine stickie here pretty religiously. Quote Link to comment Share on other sites More sharing options...
Cusser Posted May 11, 2016 Report Share Posted May 11, 2016 I'd contact Caldera support directly, there "has to" be an exploded/parts diagram available somewhere. If there truly is a leak under that giant plastic "retaining nut", likely it is an O-ring making the seal. But that means draining taking it apart and then trying to match up with a new or slightly-thicker O-ring. Lots of pool stores, Ace Hardware carry a bunch of loose O-rings. I'd use a little pool silicone-type lube on the O-ring when I'd re-install. Should not need to super-tighten that big plastic "retaining nut" either. Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted May 12, 2016 Report Share Posted May 12, 2016 If it's a hole in the housing replacing the O-ring will not help- the plastic housing deteriorates under caustic water conditions. All that's needed is the wet end of a laing E-3 or E-5 circulation pump (new style) but I'm not aware of any company that only sells the wet end- Unless you find a tech that replaces many of these pumps, you'll be stuck replacing the entire pump. But if you contact a high volume service center- they may have a few wet ends laying around in decent shape that they'll sell very cheap. Quote Link to comment Share on other sites More sharing options...
Cusser Posted May 12, 2016 Report Share Posted May 12, 2016 If it's really a single hole in the plastic housing and the remainder of the housing still looks OK, maybe try plastic welding kit from Harbor Freight. The heat unit gets hot enough to melt plastic (and plastic welding rods) but not so hot that the plastic burns. It has helped me a dozen times in last year (mostly on automotive stuff). Quote Link to comment Share on other sites More sharing options...
Brian VT Posted May 12, 2016 Report Share Posted May 12, 2016 I used JB Water Weld. Good stuff and easy to use. Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted May 12, 2016 Report Share Posted May 12, 2016 It's a great home remedy- good luck! Quote Link to comment Share on other sites More sharing options...
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