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Can I replace with a blank?

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deathraay
deathraay Member Posts: 6
in Oil Heating
As you can see in the pic, I have a instant water heater coil that I don't use.  It's pretty corroded and nasty.  I've been told that I can pull it out and replace it with a blank.  Is this true and what would this entail?



Thanks

Ray

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  • Paul Fredricks_3
    Paul Fredricks_3 Member Posts: 1,557
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    you could

    but why? In my experience, the metal under the coil plate starts to rot. If you pull the coil out the bolts may snap and the mating surface may be corroded to the point that a blank out plate won't seal. You are then stuck with the only solution being boiler replacement. And given the age of that boiler is a good thing to think about.
  • deathraay
    deathraay Member Posts: 6
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    Full replacement not an option

    A full replacement is not an option at this time.  As you know a new unit can easily cost $2k.  Then add labor, extra parts, replumbing, etc.  I don't want to imagine.  I just replaced the combustion chamber myself in order to save the quoted $800. 
  • billtwocase
    billtwocase Member Posts: 2,385
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    this was from an earlier post?

    If you are going to take a crack at replacing that leaking gasket, a new blank plate would be best. That coil probably wouldn't seal too well anyway. I would also keep that thing warm start as we mentioned before, or you may not have a choice on whether to replace the boiler or not.
  • Paul Fredricks_3
    Paul Fredricks_3 Member Posts: 1,557
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    .

    Just remember: If you take that coil apart and the mating surface of the boiler is badly pitted it will never seal. You will then be forced to replace the boiler if you want heat.



    Likely to happen? I have no idea. but I have seen it before.
  • freddrow2002
    freddrow2002 Member Posts: 18
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    yes

    yes you can replace with a blank plate and new gasket. also replace the bolts. you are always taking a chance that once its apart it wont go back together. but the sooner you do it the less damage will have been done. bolts break sometimes, thats what a drill and tap is for. i use a grinder to flush the boiler surface and get all the old gasket off. actually im doing this exact thing tomorrow on a p-4 something or other weil mclain steamer with side coil.
  • Sensi Jimmy
    Sensi Jimmy Member Posts: 7
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    coil gaskets

    I replace sometimes 2 - 3 coil gaskets a week, A good set of drill bits and taps,      Grind clean front of boiler and coil plate and you are good to go...
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