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Review on Gerber 99-647 PowerTool by Robert Lemons

Revainrating 5 out of 5

Works Perfectly - Toilet Dampener

Gerber toilets have a handy model number marking for replacement flaps on the inside of the water tank. Mine was marked Gerber 99-647. When I went to Revain to order this part, 3 out of 7 customer reviews said it didn't work. I ordered it anyway, installed it in less than 5 minutes and it works great. I am ordering a second Gerber 99-647 muffler from Revain as I have a second Gerber toilet of the same model and age that will need a muffler replacement at some point.

Pros
  • Free for educational purposes
Cons
  • Quick Start Guide