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    pentair mastertemp 400 service system

    I haven’t started full on troubleshooting yet. I’ll do this maybe over the next-to-next weekend or as time permits. (tired and happy that 2 of the 3 issues are resolved as of now hopefully). The gas valve is open and has always been open. The panel is in a not so easy to reach. I opened on the...
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    IMG_6809.jpeg

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    Pool water temperature sensor not working

    I connected the wires that were disconnected on the roof and the error no longer appears in the app. Will keep an eye for a few days and see how it goes.
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    water leak

    will do. for the time being I ended up getting one from home depot and it seems to be doing the job. there was no leak when i turned it in manually but the actuator doesn’t seem to work from the app when set to solar only. could be because the temperature isn’t warm yet to heat the water.
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    image.jpg

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    water leak

    looks like it was good mistake. one of the o rings was broken. can i replace it with a similar one from home depot or does it have to the exact one from pentair (192039z).
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    IMG_6829.jpeg

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    Pool water temperature sensor not working

    i made a trip to the roof and may have found the issue. in the attached pic the connection from the sensor is broken. maybe i could use a plier and connect it back. interestingly i noticed that the sensor was not attached the pipe. it was always like this but it got me to wonder how it was...
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    IMG_6823.jpeg

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    IMG_6825.jpeg

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    water leak

    So I followed your steps but could not do this part. > Put the handle on the stem of the diverter valve and manually turn the valve and run your system and see where the water is leaking from. It felt tight to me to rotate manually and I was afraid it might break. I tried setting through the...
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    pentair mastertemp 400 service system

    so i turned on the spa (to check if temperature sensor is working posted in another thread ). if turned on a for a bit and stopped with service system. i tried again after sometime and it did not turn on but continued showing the service system light on. ) looks like not so pleasant start this...
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    IMG_6819.jpeg

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    water leak

    Thank you. I'll take my time to go over this and fix it. If its the O ring I probably need to something like this -
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    water leak

    so i turned on the solar today just to check my temperature sensors since i been having issues (posted in another thread ). when the water direction controller turned to send the water to the roof it started leaking at that point (not sure what that device is called). is there anyway to tighten...
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    IMG_6822.jpeg

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    Pool water temperature sensor not working

    Thanks. I will probably do this. Since the multimeter method is confusing to me :) Should I replace the sensor on the roof in this case ? Maybe with something like this - Amazon.com or this if I should replace with the pentair one ...
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    Pool water temperature sensor not working

    Thank you. So how do I go about troubleshooting the issue ?
  21. P

    Pool water temperature sensor not working

    Hi, I think my pool watertemperature sensor stopped working sometime at the beginning of last winter. It is stuck at 55% for the last few months. I know the air temperature sensor is on the top of the roof but I can't figure where the water temperature is being measured from. I have attached a...
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    IMG_6802.png

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    IMG_6808.jpeg

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    IMG_6809.jpeg

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    IMG_6810.jpeg

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    IMG_6811.jpeg

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  28. P

    Maintaining ph over vacation

    Update: I used pucks while I was away for 3 weeks. The PH just raised by 0.2. I had it lowered to 7.2 before i left to give a better buffer if it raises. I had put in 2 pucks ( from costco) and it was completely used up by the time I got back.
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    Maintaining ph over vacation

    i do plan on running the pump probably not for as many hours as I do now. the ph does raise slowly with the pool cover on but I never checked if it can withstand for 3 weeks (probably not based on my memory)
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    Maintaining ph over vacation

    so i read other threads on this. looks like using pucks will also help maintain ph levels. will that help for 3 weeks ?