Kitchen Sink Question

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  #1  
Old 10-09-15, 11:03 PM
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Kitchen Sink Question

I'm looking to install water filter under my sink. My question is, what is the function of this knob next to the faucet? (see photo)

I noticed that there's a hose that connects from the wall to the knob and down to the food grinder.

Thanks in advance.
 
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Old 10-09-15, 11:12 PM
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That is a vacuum breaker device. It is to keep the drain water from draining back into the dishwasher and possibly contaminating it. It is required by health and safety codes as well as plumbing codes in most areas.
 
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Old 10-10-15, 04:58 AM
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You can drill another hole using a UniBit, or what's called a step drill bit.
They are around $40 to $60
 
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Old 10-10-15, 04:58 AM
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Yes I believe Cal is a state that still requires them per code AFAIK.. Why? I have no idea..

Could you remove it without any issues? Yes IMO.

The only other way to add a filter and keep that is to change the faucet and utilize the other holes in the sink..

You have three holes under that faucet plate.. That faucet could be mounted in a single hole, but there is a ring/base that would have came with the faucet.. Maybe long gone now? Or possibly its still there.. Dont know.

It may just utilize a rubber washer... And there are so many types of things you can utilize. Sprays, soap dispensers, filters...ect..

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