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Thread: Inground Spa Winter Operation

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    Join Date
    Apr 2016
    Location
    Bay Area, CA
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    3

    Inground Spa Winter Operation

    Hi, I've been a long-time browser, but never posted before. Learned all kinds of great stuff on here and have had fantastic results the last two seasons after switching to the methods prescribed on here. Saving money and the pool chemistry is spot-on. I didn't quite know where to post this, because the Spa Forum seemed to pertain more to detached spas and I have a question about the spa attached to my inground pool. Didn't really find anything searching either.

    I am in California, so the pool just stays open all winter. We've had light surface ice a few times, but the anti-freeze setting on the pump has been enough to prevent problems. No one closes their pool here and even those without an anti-freeze feature don't seem to have too many problems. My question is: Is there any danger using the spa when water temperatures are in the 50's, other than wasting a lot of propane? Are there any concerns about damaging the PVC pipes going to the spa because the water is so hot and the ground and concrete surrounding them is colder than normal? Any more likely to have a fitting fail, crack, etc.? Anyone else use their inground spa regularly in these temperatures? I know PVC is not usually used for hot water, which struck me as a bit odd that's it's used for the spa in the first place.

    The pool is a 15,000 gallon inground, with attached spa. It was built in 1989 and has been resurfaced at least twice that I know of. The last time was about 3-4 years ago, right before I bought the house. I'm not sure if any plumbing was repaired at the time, but I don't think anything was upgraded. The plumbing is either 2" or 2.5" schedule 40 (can't see it right now, but I know it's not 3"), except the conduit going to the light niches, which is Schedule 80. The heater is a Pentair 300K BTU propane unit and the water returning to the Spa gets pretty darn hot after it gets up to temp and the heater cycles on.

  2. Back To Top    #2
    Patrick_B's Avatar
    Join Date
    Jun 2011
    Location
    Midland TX
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    15,001

    Re: Inground Spa Winter Operation

    Welcome to the forum!

    To my knowledge, most if not all modern Spas use PVC with no issues from heat damage whatsoever.
    TFP Moderator
    Essential Links:
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    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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    Mod Squad pooldv's Avatar
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    Aug 2012
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    DFW, TX
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    Re: Inground Spa Winter Operation

    Welcome to TFP!

    That is the best time to use the spa!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  4. Back To Top    #4

    Join Date
    Apr 2016
    Location
    Bay Area, CA
    Posts
    3

    Re: Inground Spa Winter Operation

    Well, guess I'll fire it up then; sounds like a non-issue. I'm guessing you have somewhat similar weather in Texas. Just checked the CYA and Calcium levels and due to using the TFP method and actually getting a little rain this year, I will not have to do a partial drain/fill this year. Nice.

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
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    DFW, TX
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    Re: Inground Spa Winter Operation

    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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