Re: Drilling an extra hole in a cast iron sink

Posted by e-plumber on February 02, 2004 at 09:29:26:
In response to Re: Drilling an extra hole in a cast iron sink
: We have a 4 hole cast iron sink and a faucet that requires 4 holes, so including the dishwasher air gap would require 5 holes. Is it possible to successfully drill a fifth hole? What's the best way to go about it? Is there another option for the air gap? : Thanks Reply: Does your plumbing code require an air gap? If it does, drilling the countertop is an option. I have seen holes saws drill C.I. sinks but you're taking a chance on damaging the enamel finish if it chips. Good Luck. e-plumber

Posted by e-plumber on February 02, 2004 at 09:29:26:

In response to Re: Drilling an extra hole in a cast iron sink

: We have a 4 hole cast iron sink and a faucet that requires 4 holes, so including the dishwasher air gap would require 5 holes. Is it possible to successfully drill a fifth hole? What's the best way to go about it? Is there another option for the air gap?

: Thanks

Reply:
Does your plumbing code require an air gap?
If it does, drilling the countertop is an option. I have seen holes saws drill C.I. sinks but you're taking a chance on damaging the enamel finish if it chips.
Good Luck. e-plumber

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