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Thread: Replacing a pressure gauge - Tape or Paste?

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    Join Date
    Apr 2016
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    South East USA
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    Replacing a pressure gauge - Tape or Paste?

    I have to replace a couple pressure gauges. A reliable source said only to use paste, never tape on gauges.

    Paste means yet another trip to Lowes, so I came here for second opinion.

    Many thanks,

    ft.
    ~22,000 gallons, freeform, Pebbletec, beach entry AquaRite SWCG v1.33 Hayward Tristar SP325EE pump for main draw & skimmer Hayward sand filter S310S 1.5 hp booster pump Paramount PCC2000 in-floor cleaner, skimmer, debris containment canister Waterfall Pentair Intellibrite 5g LED light in Pentair stainless wet niche Jandy Lite2 heater: removed Auto-fill: deactivated

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    Mod Squad JVTrain's Avatar
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    Feb 2014
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    Re: Replacing a pressure gauge - Tape or Paste?

    I use tape. Works fine. As long as it doesn't leak, you're fine. Perhaps there's more risk of small pieces of tape getting into the gauge if you wrap the threads too low... so just don't wrap the tape beyond the bottom of the open end of the fitting.

    Also... an good post from a while back: Teflon Tape and You
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
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    Pool Tool's Avatar
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    May 2014
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    Re: Replacing a pressure gauge - Tape or Paste?

    Never wrap the bottom two threads of any fitting with tape. They are tapered and really dont do much other than get the fitting started. This will keep any tape out of the gauge and tape the right direction, counter clockwise if I'm looking at my backwards hand correctly
    16' x 32' (21100 gal), vinyl, 1.5 hp Hayward SuperPump,
    Tagelus TA60/60D Sand Filter, Raypak 399K Digital Heater, TF-100

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