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  1. #1
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    3,179

    coolers rotting out evap fins

    is there any way to stop this ?

    Im told its because of the acid in tomatoes and other veggies ..

  2. #2
    Join Date
    Mar 2009
    Location
    Mid-Mo
    Posts
    3,595
    I have heard this also and got no solid answer, so I'm eager to hear what everyone thinks.

  3. #3
    Join Date
    Apr 2008
    Location
    Bemidji MN
    Posts
    64
    Tomatoes, onions, anything pickled (it's the vinegar that does it), jalapeρo peppers and anything salty also. Mix any of these vapors with the condensate that collects on the fins and it turns to hydrochloric acid most likely.

  4. #4
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,627
    Tell the customer to not store food in the coolers. Or better yet, tell the mfgs to build coils the way they did 20+ years ago.
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    I know enough to know, I don't know enough
    Liberalism-Ideas so good they mandate them

  5. #5
    Join Date
    Jan 2010
    Posts
    6,320
    A coated coil will slow the process down.

  6. #6
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,627
    Quote Originally Posted by VTP99 View Post
    A coated coil will slow the process down.
    Unless Delfield makes it
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    I know enough to know, I don't know enough
    Liberalism-Ideas so good they mandate them

  7. #7
    Join Date
    Oct 2008
    Posts
    785
    Quote Originally Posted by 2sac View Post
    Unless Delfield makes it


    Hey! But Delfield was part of Manitowoc's grand buy-up when building their conglomerate about five years ago - covering their reach-market. Kolpak (less the now defunct McCall line) & RDI does their walk-ins.

    Usually prep tables are first to give out. If they'd cover their pans tightly, they could probably save themselves a bunch of the green they keep covered in the cash register.

  8. #8
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    3,179
    I wonder if keeping everything in plastic containers with those plastic lids would do the trick

    Only thing is .... most like the steel ones , then merely add plastic wrap , like ^ he said

  9. #9
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,627
    Quote Originally Posted by Snapperhead View Post
    I wonder if keeping everything in plastic containers with those plastic lids would do the trick

    Only thing is .... most like the steel ones , then merely add plastic wrap , like ^ he said
    I'm going to say no. I used to do a lot of work for Taco Bell and TGIF. The R22 coils that we replaced the R12 walk in coils with would start leaking in as little as 2-3 years. The replacements were either Bohn or Larkin. EVERYTHING in the TB coolers was sealed. I believe fresh produce affects the coils less than processed produced. BK uses fresh produce as does our independent deli's, and they would get 5+ years out of the coils before they started leaking.
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    I know enough to know, I don't know enough
    Liberalism-Ideas so good they mandate them

  10. #10
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    I'm with 2sac. Used to get 10+ years out coils. Now you have to order a replacement with the replacement.

  11. #11
    Join Date
    May 2011
    Location
    Spring City, Pennsylvania, United States
    Posts
    190
    Olive bars are hell on coils and power heads too, as already said I was told its from the acid.

  12. #12
    Join Date
    Oct 2013
    Location
    Moncton,NB,Canada
    Posts
    51
    Prep tables are definitely the worst, I find and replace so many evaps in sandwich tables it's crazy. Keeping the unit clean helps a lot, I pulled a piece of bacon out of a coil last week, was frozen in the ice on the coil. Not a good example of keeping things clean, good example of why the start to leak.


    Adam

  13. #13
    Join Date
    Aug 2007
    Location
    Winter Haven, FL
    Posts
    4,379
    Had a fine Italian restaurant that would grill a bunch of chicken, put it on sheet pans and roll it under the evaporator. The coils lasted 6 months. We replaced three sets before they fired us for not being able to make the coils last longer.

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