gurusi Posted April 30, 2021 Report Share Posted April 30, 2021 Hi I recently got a donated hot tub up and going. The heater element briefly had hotspots on the external casing and is now dead (tested via ohm meter). I had the circulator going, tub was full. My question is was it a bad element or is my circulator not giving enough flow? As the circulator is discontinued I can’t find info on the GPM or figure out via on the specs on the unit. can anyone help? I don’t want to pay out 130 bucks just to cook an new element. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 30, 2021 Report Share Posted April 30, 2021 If by "circulator" you mean that red Laing circulation pump, then they are still readily available and used in many new spas to this day. They just aren't red anymore. https://pool-spa-supplies.com/laing-ecocirc-e10-nshnnn1w-19-3-4-barb-circulation-spa-pump-115v-73989-10298 A hot spot usually indicates an improperly installed element or some obstruction lodged against the element. Post a picture of the entire heater and controls so we can see what you've got. Elements are cheap and easy to replace. 1 Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 30, 2021 Report Share Posted April 30, 2021 20 minutes ago, RDspaguy said: Elements are cheap and easy to replace. Shhh 🤐 Don't tell everybody. Jeez 1 Quote Link to comment Share on other sites More sharing options...
gurusi Posted April 30, 2021 Author Report Share Posted April 30, 2021 Sorry yes circulation pump. Thanks for the link. It states 15gpm which seems like enough flow please see photos attached. This is an old manual potentiometer heater. I’ve tested the high limit switch and dial which is working. the element wasn’t obstructed or touching the wall, but doesn’t appear in the best shape I think I have found a replacement:- https://www.goparadisebay.com/hot-tubs/hot-tub-parts/product/261-heater-element-5-5-kw-green-coated-prongs-at-end.html Quote Link to comment Share on other sites More sharing options...
gurusi Posted May 3, 2021 Author Report Share Posted May 3, 2021 Changed the element and she is all up and running! (Been sitting there for 3+years). I believe an air lock was the culprit before. I didn’t unscrew the union to allow it to escape. Thanks again 1 Quote Link to comment Share on other sites More sharing options...
cranbiz Posted May 3, 2021 Report Share Posted May 3, 2021 Good job. Thanks for the followup. Quote Link to comment Share on other sites More sharing options...
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