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Found 2 results

  1. Hello all, I'm new to Pool Spa Forum and also for the hot tub/spa subject. Please forgive me for my lack of knowledge. I tried every search engine to find this in-ground spa brand but did not have much success. Does anybody recognize this hot tub brand in the picture? How old (roughly) is this unit? ______ Here is the full story behind this, and I have a few more questions if you have time to read. The house I purchased a few months ago came with this in-ground hot tub, and it was listed as a non-functioning item. After all the hours/yard cleaning and renovations, I finally got free time to look at the hot tub. It was covered with a heavy wooden panel, and it seems the hot tub was not used for years (tenant confirmed they did not use it for six years at least.) The acrylic/fiberglass tub had few inches of old dirty water left with some residue. I cleaned up everything and washed the tub. I filled the water and turned the two pump switches (picture 6), everything seems to be working fine. Jets working, Water circulation pump is working, heater turned on and seemed working fine too. These are the equipment this system has, Jandy LXi gas heater (runs on natural gas) Jandy Pro Series CS200 filter Two separate pumps (for water circulation and jets) Air pump (very loud) Of course, the first round of water was full of dirt/dark-colored. I removed the water and cleaned the filters (Jandy CS200, canisters 1 and 2.) Filled up again with water, added liquid chlorine (Home Depot brand and added a little over half a gallon), let it run for few hours. Removed water again and cleaned the tub shell, filters. Filled up with water for the 3rd time, added liquid chlorine, circulated for few hours every day for a week (now water is clear), pumped the water out again. Now the tub is empty, as you see in the pictures. I ordered a new filter for the Jandy CS200 to replace the old filter. I will fill water again, run one more time for a week, and remove the water for the 4th time before using it. I know this is an old hot tub, but I would like to use it until the heater/motors fail (if possible) and maybe replace this with an above-ground new hot tub. I appreciate it if can help me to identify/replace few things, and some advice, What else should I do before I use it (I will do the water PH, alkaline, chlorine balance)? Hot tub jets are old and brittle (Picture 3, 4 & 5.) I need to replace them (if possible) and want to know how to remove them. I was managed to pull two fish eye parts out (picture 5) but not the whole unit that I need to replace. Two small holes in each side of the jet cover (picture 4) are just plastic hole. Not screws or anything in it. How can I remove yellow stains on the tub shell? (stains from old water and organic materials left for years). I tried bleach, white vinegar, alcohol but had no luck of removing them. Do I need to run both pumps all the time when I use the hot tub? Can someone please explain to me the pump/filtration process in picture 6? I appreciate if you have time to help me with this project.
  2. Hi! Im new to this forum, I just acquired a older model Jacuzzi hot tub. The model is 8780000 ( Caressa). Got a pretty good deal on it since it doesnt leak, and all the side wood is in great condition. Its wired for 115vac 20 amp. I ran a dedicated line (gfci of course) and bonded the tub to code. However when we plugged it in the first time we realized it wasnt heating after 24 hours it didnt warm up not even a degree. After looking up some information I realized it could be the heating element. Below is what I did to replace it Unplugged the tub drained the tub to below jet level loosened the four hose clamps removed the bond bar line from top of the manifold unscrewed the high limit housing from the manifold removed the connection to the element prongs Carefully slid out the thermister for the high level switch I noticed that the old element was welded into the manifold below is how i replaced it Used a band saw and cut the exposed prongs off the manifold Used a grinder to grind the remaining prong flush to the manifold Used a 1/4 drill bit to break the weld around the element I ordered a new element ( its a little shorter 10" vs 16" however what I read it doesnt matter Bored out the 1/4 holes to fit the 1/2 bolts for the new element Verified that the element had o-rings Tightened the nuts to the bolts ( careful not to over torque) Cleaned the Hot wire and the neutral wire from the hot tub panel with a wire brush crimped new connectors to work with the new element Moved the ground ( didnt like the ground to the manifold, bad idea so i moved it to the bond bar) Re installed the manifold and tightened the hose clamps. When I removed the old element , it was obvious to me that it needed replacement ( calcium build up, and rust was all over it, it one area it looked like it burst, maybe at some point it was hot ran? i dont know. After doing all this I was excited we were excited that we were finally going to be able to enjoy our tub ( winters coming) However it didnt ( I let the tub sit for 12 hours in the HTR/Filter mode, its only a 115 20 amp tub so i figured it would heat 1-2°F per hour but yeah it didnt) . Below are all the steps I did so far Made sure high temp switch isnt open Checked voltage to the new element ( 120v each) checked relays all seem to be working, each read positive off the ground and the magnetic coils seem to be in good shape Replaced the Filter The jets work, and the HTR/Filter button does move water around so my circulating pump works The turn dial thermostat initiates the the relays to turn the tub, and the heater on indicating light works Is there something I missed? I consider my self more than the average do it yourself kinda guy. My background is mechanical engineering so that's why I was so excited to get this older SCM tub. if anyone can help me troubleshoot please feel free! I want it to get up and running before winter. There isnt much online for troubleshooting these tubs. thanks!
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