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Old 01-20-2008, 10:07 AM   #1
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Gerber toilet double flushes


I have a Gerber toilet made in 1993. When I flush, it flushes twice. I hadn't heard of this brand but looked around the net and found it's the last brand actually made in USA! I think maybe only pros install them. I've tried backing off the water pressure a little and also replaced the flapper. What should I try next? Is it worth trying to fix or should I chuck it?

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Old 01-20-2008, 10:21 AM   #2
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Gerber toilet double flushes


Sounds like toilet is a 1.6 gal flush and you did not install the correct flapper for a 1.6 gal flusher.

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Old 01-20-2008, 11:05 PM   #3
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Gerber toilet double flushes


It was double flushing before I replaced it. I used one of those red flappers that are supposed to fit "most toilets" from Home Depot. I didn't realize there were special flappers for 1.6 toilets. It is a 1.6'r and I've heard that the early ones were quirky. Should I get a genuine Gerber flapper from a plumbing supply house? Thanks for your time and expertise.
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Old 01-21-2008, 12:17 AM   #4
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Gerber toilet double flushes


When your watching it,,,what pulls the chain or the flapper up the second time,,,is it too tight??
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Old 01-21-2008, 02:36 AM   #5
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Gerber toilet double flushes


Yes or any 1.6 gal flapper will work.
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Old 01-21-2008, 06:22 AM   #6
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Gerber toilet double flushes


is the water in the tank above the water line??

replace the flapper with the 1.6
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Old 01-21-2008, 06:47 AM   #7
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Gerber toilet double flushes


A 1.6 gal flapper usually has a hole in it to release the air and make it drop quicker. Fluidmaster also makes an adjustable flapper that may work, it has a hole you can rotate to the position you need.
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Old 06-21-2008, 01:25 PM   #8
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Gerber toilet double flushes


I did replace the flapper with one for 1.6. It STILL double flushed. What ultimately worked was cutting back on the main water shut off. I guess the town water supply was thundering into my pipes at too high a pressure to suit the toilet. I still have plenty of water pressure in the shower and sinks.
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Old 02-22-2009, 03:08 PM   #9
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Gerber toilet double flushes


You can get the right flapper.
http://www.griggindustries.com/servl...ide/Categories

It's a guide that shows the parts by the tank number
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Old 02-22-2009, 03:37 PM   #10
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Gerber toilet double flushes


I think you have a pressure issue and need's a pressure reducer valve installed.

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