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  #1  
Old 2/13/18, 9:29 AM
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Default List of States allowing dishwasher air gap

I'm trying to put together a comprehensive list of the States that require an air gap on the dishwasher, and those that will accept a high loop. I have already entered information for California and Utah, because I know those two. Please go to the link and add your information. Thanks for participating.Is a dishwasher air gap required in your State - Google Docs




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  #2  
Old 2/13/18, 9:37 AM
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Default Re: List of States allowing dishwasher air gap

Frank, what is the purpose/intended use for this list?



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  #3  
Old 2/13/18, 9:52 AM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by jjonas View Post
Frank, what is the purpose/intended use for this list?
I just think it's useful information for comparison. I haven't decided yet how to use it. But when I was looking for this information, it wasn't available in one place.




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  #4  
Old 2/13/18, 10:05 AM
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Default Re: List of States allowing dishwasher air gap

When did it become code? Is it a defect or a code violation?
Wisconsin is above or below the countertop. Below is a standpipe.
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  #5  
Old 2/13/18, 10:06 AM
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Default Re: List of States allowing dishwasher air gap

Ok, but in my opinion, it is not entirely useful unless it contains all the facts. In example, MN did not require Air Gaps until Jan 2016, which means that 99% of all homes I inspect will not be required to have an air gap. Prior to 2016, all DW's required high loops. Now, which detail is more important to an inspector?




Note: All this info was sent to Frank by myself for his listing, so this is not an attack on someone elses post. Frank chose not to use the provided information.



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  #6  
Old 2/13/18, 10:08 AM
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Default Re: List of States allowing dishwasher air gap

Does a Dishwasher require a Air Gap?


Check out old forum
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  #7  
Old 2/13/18, 10:11 AM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by jjonas View Post
Ok, but in my opinion, it is not entirely useful unless it contains all the facts. In example, MN did not require Air Gaps until Jan 2016, which means that 99% of all homes I inspect will not be required to have an air gap. Prior to 2016, all DW's required high loops. Now, which detail is more important to an inspector?




Note: All this info was sent to Frank by myself for his listing, so this is not an attack on someone elses post. Frank chose not to use the provided information.
I'm just concerned with current requirements.




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  #8  
Old 2/13/18, 10:23 AM
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Default Re: List of States allowing dishwasher air gap

I have never seen one around here.

From the GE dishwasher installation manual.

DRAIN REQUIREMENTS
• Follow local codes and ordinances.
• Do not exceed 10’ distance to drain.
• Do not connect drain lines from other devices to the
dishwasher drain hose.
NOTE: Air gap must be used if waste tee or disposer connection
is less than 18" above floor to prevent siphoning.
DETERMINE DRAIN METHOD
The type of drain installation depends on the following
questions.
■ Do local codes or ordinances require an air gap?
■ Is waste tee less than 18" above floor?
If the answer to either question is YES, Method 1 MUST
be used.
• If the answers are NO, either method may be used.

Method 1 – Air Gap with Waste Tee or Disposer
An air gap must be used when required by local codes and ordinances.
The air gap must be installed according to manufacturer’s instructions

Method 2 – Drain Hose Routing
When not using an air gap, the drain hose must be routed to form a high
loop of at least 32" to prevent siphoning.

http://products.geappliances.com/Mar...e=31-30588.pdf




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  #9  
Old 2/13/18, 10:35 AM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by rlewis5 View Post
I have never seen one around here.

From the GE dishwasher installation manual.

DRAIN REQUIREMENTS
• Follow local codes and ordinances.
• Do not exceed 10’ distance to drain.
• Do not connect drain lines from other devices to the
dishwasher drain hose.
NOTE: Air gap must be used if waste tee or disposer connection
is less than 18" above floor to prevent siphoning.
DETERMINE DRAIN METHOD
The type of drain installation depends on the following
questions.
■ Do local codes or ordinances require an air gap?
■ Is waste tee less than 18" above floor?
If the answer to either question is YES, Method 1 MUST
be used.
• If the answers are NO, either method may be used.

Method 1 – Air Gap with Waste Tee or Disposer
An air gap must be used when required by local codes and ordinances.
The air gap must be installed according to manufacturer’s instructions

Method 2 – Drain Hose Routing
When not using an air gap, the drain hose must be routed to form a high
loop of at least 32" to prevent siphoning.

http://products.geappliances.com/Mar...e=31-30588.pdf
I'm just looking for a simple air gap required, or high loop is okay. Don't overthink it. Keep it simple. Have you looked at the document?




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  #10  
Old 2/13/18, 10:38 AM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by frotte View Post
I'm just looking for a simple air gap required, or high loop is okay. Don't overthink it. Keep it simple. Have you looked at the document?
You mean the one I posted..Yes!




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  #11  
Old 2/13/18, 10:46 AM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by rlewis5 View Post
You mean the one I posted..Yes!
No.

For example :

California :Air gap required
Utah : High loop okay




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  #12  
Old 2/13/18, 10:55 AM
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Default Re: List of States allowing dishwasher air gap

I notice that there is nothing filled in for Florida yet.




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  #13  
Old 2/13/18, 10:57 AM
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Default Re: List of States allowing dishwasher air gap

Here is the Florida code.
It appears you can do what you want.
What do you think?

802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an
air gap or air break into a standpipe or waste receptor in
accordance with Section 802.2, or discharge into a
wye-branch fitting on the tailpiece of the kitchen sink or the
dishwasher connection of a food waste grinder. The waste
line of a domestic dishwashing machine discharging into a
kitchen sink tailpiece or food waste grinder shall connect to
a deck-mounted air gap or the waste line shall rise and be
securely fastened to the underside of the sink rim or counter.




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  #14  
Old 2/13/18, 11:20 AM
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Jeffrey R. Jonas Jeffrey R. Jonas is online now
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by frotte View Post
I'm just concerned with current requirements.

Now you know why you can't find a similar list on Google. Not a simple list like you want.



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  #15  
Old 2/13/18, 4:26 PM
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Default Re: List of States allowing dishwasher air gap

Quote:
Originally Posted by rlewis5 View Post
Here is the Florida code.
It appears you can do what you want.
What do you think?

802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an
air gap or air break into a standpipe or waste receptor in
accordance with Section 802.2, or discharge into a
wye-branch fitting on the tailpiece of the kitchen sink or the
dishwasher connection of a food waste grinder. The waste
line of a domestic dishwashing machine discharging into a
kitchen sink tailpiece or food waste grinder shall connect to
a deck-mounted air gap or the waste line shall rise and be
securely fastened to the underside of the sink rim or counter.
Which means that the high loop is okay for Florida. That's all I wanted to know. K.I.S.S.




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