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  1. #1
    notnsuv
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    Safe Water Pressure Level

    Is there a recommended maximum city water pressure level on the 303 (and others)? Is there a standard from GD?
    I've always run a 30psi regulator on my other camping units (07s) but see the vendors offer 45psi. I'd like a bit more pressure if it can be done without risk of blowing plumbing apart. What do you folks use?

    Planning to do the kitchen and shower faucet R/R mod when I get the unit (next week I'm hoping - it was supposed to come off the assembly line Tuesday 23).

    Thanks all.

  2. #2
    Manufacturer
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    Sep 2013
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    Bristol & Middlebury, Indiana
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    Quote Originally Posted by notnsuv View Post
    Is there a recommended maximum city water pressure level on the 303 (and others)? Is there a standard from GD?
    I've always run a 30psi regulator on my other camping units (07s) but see the vendors offer 45psi. I'd like a bit more pressure if it can be done without risk of blowing plumbing apart. What do you folks use?

    Planning to do the kitchen and shower faucet R/R mod when I get the unit (next week I'm hoping - it was supposed to come off the assembly line Tuesday 23).

    Thanks all.
    Hi Gary, Erin & Kitty (@notnsuv),

    Please add your 17-digit RV VIN to the "About Me" section of your forum profile, or send me a private message (PM) with your VIN, name and phone number. Thank you in advance...

    Best regards,
    ~ Janice
    Mailing & shipping address: Grand Design RV, Attn: Customer Support, 13868 CR 4, Bristol IN 46507
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    For EMERGENCY or immediate assistance contact your RV dealer or GDRV Customer Support directly at (574) 825-9679 with your 17-digit RV VIN, name, and phone number.

  3. #3
    notnsuv
    Guest
    Quote Originally Posted by GDRV Customer Service View Post
    Hi Gary, Erin & Kitty (@notnsuv),

    Please add your 17-digit RV VIN to the "About Me" section of your forum profile, or send me a private message (PM) with your VIN, name and phone number. Thank you in advance...

    Best regards,
    ~ Janice
    Thanks Janice. I plan to add VIN to my profile but haven't received the 303 yet. I don't know if the dealer will have that info on the paperwork but I can swing by there today if you think he will.

  4. #4
    Setting Up Camp
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    100 psi is what is tagged on the camper.

  5. #5
    Long Hauler Paul & Deb's Avatar
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    Quote Originally Posted by HDSmurph View Post
    100 psi is what is tagged on the camper.
    100?? Yikes, that's through the roof. Where does it say that? Even my house doesn't have 100 psi.
    Paul "Poppy" and Deb Cervone
    2022 Imagine XLS 22MLE
    2021 Imagine XLS 17MKE - SOLD ; 2015 Grand Design Reflection 337RLS - SOLD
    2016 GMC Denali 3500HD SRW Duramax/Allison CC 4x4; Tire Minder TPMS

  6. #6
    We Have a Great Site Team WhittleBurner's Avatar
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    100 PSI is for the kantleak valve, what is the plumbing that GD did rated for.
    Marcy & Gary
    2014 Grand Design - Reflection 303RLS
    2022 GMC 3500 Denali Duramax Longbed SRW
    2015 GMC Denali 3500 - Retired
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  7. #7
    Setting Up Camp
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    The pex pipe is rated for 160 psi. kantleak valve rated for 100 psi.

  8. #8
    Site Sponsor
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    Quote Originally Posted by HDSmurph View Post
    The pex pipe is rated for 160 psi. kantleak valve rated for 100 psi.
    The weak link here is the connectors that attach the pex to the fittings - how robust they are and how well they were attached at the factory. I don't think I'd do 100 psi.

  9. #9
    Seasoned Camper GD350M's Avatar
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    the pex in my unit is made up the way the pex in new construction homes are made up.
    Stephen & Nikki

    2013 Ford F-250 SRW w/Firestone Ride Rite Airbags, B&W Companion Hitch,
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    [SIGPIC][/SIGPIC]

  10. #10
    Site Sponsor
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    Quote Originally Posted by GD350M View Post
    the pex in my unit is made up the way the pex in new construction homes are made up.
    I read from someone else on here that the connectors used are not PEX branded but some other knockoff.

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