Friday, January 29, 2010

Toilet Repair - Fixing An Improper Air Gap On A Ballcock

To avoid a cross connection between the water in your toilet tank and the water you drink, make sure the guts of your toilet are properly installed.  This is required by the Minnesota State Plumbing Code, section 4715.2150, subpart 2, under Flush Tanks.   An improperly installed ballcock requires repair for the Truth in Housing programs in Minneapolis, Bloomington, and Hopkins, and it's considered a hazard in Saint Paul and Maplewood.
This is a very common defect, and the repair usually only takes a few seconds.  The diagrams below show what the two most common ball cocks should look like when properly installed, and the video below shows how to adjust a ballcock made by Fluidmaster, which is the most common one used today.  Click the diagrams for larger images.

Fluidmaster Ballcock Air GapStandard Ballcock Air Gap



For more information on common Truth In Sale of Housing defects, click on any of the links below.
Reuben Saltzman, Structure Tech Home Inspections - Email - Minneapolis Toilet Inspections

6 comments:

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  3. hello, i seem to have a problem with my toilet..i've used several sizes to fix it in the last months, but it still leaks..i checked the opening it is 5 1/2 " waste pipe and the rings only fit up to 4 1/2"..i think i have to get a pro to fix it, or do you know what i am doing wrong? the house was built in 1949..
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