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Bad element or poor flow?


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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.

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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.

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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

 

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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

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