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Author Topic: paint on water side of fire box  (Read 7891 times)

coaldozer

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paint on water side of fire box
« on: February 01, 2014, 04:41:43 PM »
 :-\ I read in a post that the water side of the water jacket should not be painted . Figure this goes for fire box too . my firebox is a 120 gal propane tank with some nice thick paint . I started removing some but after 1/2 hr  I had only cleaned up about half of the end. Does this really have to come off . I know the treatment needs to make contact with bare metal to work properly . I guess what I am really wanting to know is what kind of problems would develop from leaving the paint on ?
« Last Edit: February 02, 2014, 06:46:36 AM by coaldozer »
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mlappin

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Re: paint on water side of fire box
« Reply #1 on: February 01, 2014, 04:47:18 PM »
Well biggest concern might be at some point in the future the paint starts to come off and plugs a water line, pump or heat exchanger.

Not sure what those tanks are painted with, might even be epoxy.

I'll let wiser heads chime in here, I bet somebody already has experience with this one way or another.
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RSI

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Re: paint on water side of fire box
« Reply #2 on: February 01, 2014, 08:09:39 PM »
I don't think it will hurt anything leaving paint inside the firebox. It will just burn off fairly quick so not worth putting it on if you start with bare steel.
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mlappin

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Re: paint on water side of fire box
« Reply #3 on: February 03, 2014, 08:54:26 PM »
Quote from: RSI on February 01, 2014, 08:09:39 PM
I don't think it will hurt anything leaving paint inside the firebox. It will just burn off fairly quick so not worth putting it on if you start with bare steel.

I think he's referring to the outside of the firebox since it started out as a propane tank.
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RSI

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Re: paint on water side of fire box
« Reply #4 on: February 03, 2014, 09:45:03 PM »
Ah, that make sense now. I just always think of the inside when firebox it mentioned.

I have no idea how much difference it will make but if I were doing it I would just clean off all the loose paint and put a Y strainer on the line just in case it does start coming off eventually.
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mlappin

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Re: paint on water side of fire box
« Reply #5 on: February 03, 2014, 10:07:15 PM »
I'll agree with RSI, knock/scrape off any loose paint and run it with a strainer. Might loose a little heat transfer with the paint on, but I honestly can't see it being much.
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Wood Nutt

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Re: paint on water side of fire box
« Reply #6 on: February 04, 2014, 12:56:46 PM »
If you have a body shop near by, especially one that specializes in restoration work, many of them have media blasting rooms where they do car frames and similar.  They would be able to get the paint off pretty easily if you do want it off.
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slimjim

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Re: paint on water side of fire box
« Reply #7 on: February 04, 2014, 01:42:18 PM »
  Simply set it on fire once you have the end cut off
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coaldozer

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Re: paint on water side of fire box
« Reply #8 on: February 04, 2014, 02:41:54 PM »
Yea I thought about the fire but I have it in my garage now with the front plate welded on. So bought some paint remover today to give this a shot.
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