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Old 05-21-2020, 08:08 AM   #2721
speede5
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Originally Posted by DoubleF View Post
With a plug for the giant hole on the side burner for now while I wait to borrow some tools, I decided to quickly swap the dead Maytag FC10 garburator in my home. I nabbed an insinkerator and after a ton of confusion and chaos today, I think that whoever installed my granite sink used clear silicone to stick the sink flange to the sink rather than plumber putty. There's something clear underneath that feels like dried hot glue and can kinda rub off.

Is this a reasonable assumption? The flange is really stuck on and definitely doesn't pop out like all other DIY videos.

The Maytag flange is not compatible with the insinkerator flange.

How do I get this thing off? Should I try something like spraying WD40 from underneath till I'm high as a kite and the silicone is weak enough to rip off the old flange and install the new flange? I got a good deal on the garborator and prices have shot up lately, so I prefer this approach.

Or should I bail on the insinkerator and find a different garbage disposal that uses a 3 bolt mounting system because removing the flange is going to be Nigh impossible?

The waste water pipe is also going to need to be modified to connect it.

Should I DIY this whole thing or hire someone to do the PVC pipe related stuff?
Sounds like they used plumbing adhesive. It's great stuff, I use it all the time instead of putty. No leaks but it is quite difficult to remove, it's basically silicon with adhesive so you have to cut and scrape the stuff off. There's so much variation between sink manufacturers it's just easier to use this and not have an issue.
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