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  1. #1
    Join Date
    Jun 2011
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    Lower Mainland, British Columbia
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    Large size schrader core

    Does anyone recognize this style of access fitting? The brass hex is threaded into the round brass body. The shredder core inside is larger than the industry standard schrader core so can not remove core with standard tool like normal cores. A standard 1/4 service hose fits the 1/4 flare and also depresses the core ~~~ you just can not remove or tighten the larger core. This is on a 2 ton McQuay WSHP. Have also seen on Carrier RTU 5 years ago. Anybody know the brand name or any other info. Thanks.

  2. #2
    Join Date
    Jan 2008
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    East of big city prices.
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  3. #3
    Join Date
    Jun 2011
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    Lower Mainland, British Columbia
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    Thanks for the internet link. This is what I have on the McQuay. It has been difficult to get McQuay tech support to call me back. Now I know precisely what I am working with and can go about sourcing a schrader removal tool. When I first seen this on a Carrier, I thought it was probably something that was beneficial to the manufacturer's evacuate and charge process. Now I know~five years later. lol.

  4. #4
    Join Date
    Oct 2003
    Location
    las vegas
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    1,505
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    save yourself some cash & just install a sweat on piercing valve.
    i have several of the factory tools for the fastaccess valves &
    they are pretty pricey.

  5. #5
    Join Date
    Jan 2008
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    Quote Originally Posted by marvin View Post
    save yourself some cash & just install a sweat on piercing valve.
    i have several of the factory tools for the fastaccess valves &
    they are pretty pricey.
    The core removal tool is expensive you are right about that but the high flow schrader does serve a purpose as to help speed up the servicing process of the machine. If the core needs to be changed out on a small system like that recovering the charge and using a small cresson wrench will do the job.

  6. #6
    Join Date
    Mar 2007
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    In the Conservatory with a Lead Pipe
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    Thankfully the ones I've seen in also have service valves at the compressor and receiver tank.

    So with the tool they show does it remove the core or just push it farther in?
    “If You Can Dodge A Wrench You Can Dodge A Ball”

  7. #7
    Join Date
    Jan 2008
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    East of big city prices.
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    Quote Originally Posted by itsiceman View Post
    Thankfully the ones I've seen in also have service valves at the compressor and receiver tank.

    So with the tool they show does it remove the core or just push it farther in?
    No the tool is about the size of a 3/4" ball valve.

  8. #8
    Join Date
    Jun 2015
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    Dead link

    Quote Originally Posted by Dallas Duster View Post
    Here take a look.

    (it won't let me specify the old link)
    Hey, does anyone have a good link to this file? I'm facing the same issue although it's on a Trane RTU. I've also seen them on Carriers occasionally too.
    Thanks.

  9. #9
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
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    Quote Originally Posted by Ftbboy2115 View Post
    Hey, does anyone have a good link to this file? I'm facing the same issue although it's on a Trane RTU. I've also seen them on Carriers occasionally too.
    Thanks.
    It's a high flow schrader. They suck balls and leak all the time. They are worthless pieces of crap and should be purged from the industry IMO. Ain't nobody got time fo dat.

  10. #10
    Join Date
    Dec 2004
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    http://www.fastestinc.com/Catalog/Do...productId=3413

    Is this what your talking about?


    Sent from my iPhone using Tapatalk

  11. #11
    Join Date
    Oct 2010
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    Anderson, South Carolina, United States
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    Quote Originally Posted by heatingman View Post
    http://www.fastestinc.com/Catalog/Do...productId=3413

    Is this what your talking about?


    Sent from my iPhone using Tapatalk
    Yea, I've seen them on Nordyne, Goodman and Carrier.

  12. #12
    Join Date
    Dec 2004
    Location
    Chicago area
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    Lennox uses these in their RTU's.



    Sent from my iPhone using Tapatalk

  13. #13
    Join Date
    Oct 2010
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    Anderson, South Carolina, United States
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    Quote Originally Posted by heatingman View Post
    Lennox uses these in their RTU's.



    Sent from my iPhone using Tapatalk
    They suck

    I think it's so they can charge them quickly on the assembly line at the factory.

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