cs1006 Posted October 21, 2020 Report Share Posted October 21, 2020 bought a used for spare spa pack just in case , i am bench testing briefly when i plug it in it fires right u and is very quiet with a vaccuum pump i can activate high speed , so back on low speed i noticed the red heating lite is not on , when had my existing spa pack impeller wheel replaced i plugged it in and the heat lite came on instantly , im testing these packs on my workbench , i dont know if different brands react different ways, if they need to have water in the elements or pressure etc but if i need my backup one day i just wanna make sure its gonna be a plug and play system Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted October 22, 2020 Report Share Posted October 22, 2020 Post a pic of the control pack, circuit board, and topside so we know what you have. Quote Link to comment Share on other sites More sharing options...
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