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  1. #1
    Join Date
    Apr 2008
    Location
    Greenwood Lake, ny
    Posts
    49

    Double float switches

    Hello guys.
    Just would like to know your thoughts on haveing two float switches in your drain pan.
    My boss wants two on every install.Is it over kill or is he right.I am new with the company and to installs.

  2. #2
    Join Date
    Aug 2012
    Location
    Georgia
    Posts
    27
    We have 2 on all of our ceiling heat pumps mounted just above the drop ceiling. It really depends on the application I guess. Ours seem to work well for the most part. The buck stops with your boss and he is just being careful.

  3. #3
    Join Date
    Nov 2007
    Location
    Mississippi
    Posts
    1,298
    I like the idea of two. If my unit was above my ceiling it would have two.

  4. #4
    Join Date
    Oct 2010
    Location
    AZ
    Posts
    633
    Quote Originally Posted by socotech View Post
    I like the idea of two. If my unit was above my ceiling it would have two.
    +1. a lot cheaper than fixing the damage

  5. #5
    Join Date
    Jun 2001
    Location
    Moore, Oklahoma, United States
    Posts
    4,156
    One on each end of the pan just in case it comes loose/shifts.

  6. #6
    I bought a house with an attic unit, one switch. I "intended" to put one on the other end of the overflow pan - but never did. Squirrels found the drain line, and filled the slightly out of level pan. I did install the second switch, right before I replaced the sheet rock ceiling in two rooms. Nothing aggravates your wife like neglecting your own equipment - while taking care of everyone else.

  7. #7
    Join Date
    Sep 2005
    Location
    Atlanta, GA
    Posts
    983
    Switches are super cheap. So we put one in the pan and one in-line in the drain. If it's a very big pan we put in two pan switches as well. The inline switches are really awesome, hopefully stop the leak before it fills up a pan, runs out the return plenum, or any other random way ... water always seems to win.
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  8. #8
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,608
    We install a ez trap with a safty switch on all installs and a pan switch on all auxillary drain pans

  9. #9
    Join Date
    Mar 2008
    Posts
    279
    What do most of u guys do on downflow mobile home jobs where there is only one 3/4 inch female as the primary and no secondary port? Or mini splits that naturally drain in the rear outside?

    Sent from my BlackBerry 9630 using Tapatalk
    If you can not do it right, Why even do it at all?

  10. #10
    Join Date
    Jul 2011
    Posts
    28

    clean-out t to screw in 3150 e aqua guard

    yeah, i've run into this a few times myself where theres no secondary or no access to it, and what we do is put the 3/4 inch screw in part of float switch in the top of a blow out t or clean out t (before trap in vertical position) then the pan switch goes along with it. i dont think its overkill because bossman has spent over 5 grand in the past few months on water damage due to failed switches etc. but also you're going to have a drain clog causing water spills or cracked evap drain pan spills. so having one for both places always seemed like a good idea to me. definitely need to look into that eztrap inline switch sounds like a better alternative. Take it easy

    DS

  11. #11
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    3,089
    I think its over kill to put two in the pan.
    The float switches we've used the last 10 years or so are much more reliable than the old ones.
    When we put a unit in the attic we build a solid level platform for the unit.
    The secondary pan should already have a drain where the water runs out & doesn't let the water get high enough to trip the float switch most of the time anyways. I could see putting an extra one in the line like the EZ-trap so the water never gets to the pan but two in the pan seems worthless unless nobody knows how to use a level.
    Gary
    -----------
    http://www.oceanhvac.com
    An engineer designs what he would never work on.
    A technician works on what he would never design.

  12. #12
    Join Date
    Oct 2010
    Location
    AZ
    Posts
    633
    Quote Originally Posted by catmanacman View Post
    We install a ez trap with a safty switch on all installs and a pan switch on all auxillary drain pans
    sorry to hijack, but how have your EZ traps held up over time. Do those red plastic caps ever leak?

  13. #13
    Join Date
    Mar 2008
    Posts
    279
    Quote Originally Posted by stemps22 View Post
    yeah, i've run into this a few times myself where theres no secondary or no access to it, and what we do is put the 3/4 inch screw in part of float switch in the top of a blow out t or clean out t (before trap in vertical position) then the pan switch goes along with it. i dont think its overkill because bossman has spent over 5 grand in the past few months on water damage due to failed switches etc. but also you're going to have a drain clog causing water spills or cracked evap drain pan spills. so having one for both places always seemed like a good idea to me. definitely need to look into that eztrap inline switch sounds like a better alternative. Take it easy

    DS
    well the reason i ask is that local mech code inspector is now requiring secondary switch and drain lines even on something like a mobile home where there is only one drain location or even say mini splits, geothermal etc. Also cannot use the supplied hose kits that come with coils and everything has to be hard piped to outside if only ac and not 90% furnace. What are your guys thoughts
    If you can not do it right, Why even do it at all?

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