This allowed the extention of the threads to go beyond the thickness of my granite countertop and worked well. This extention should actaully come with the hot water dispenser, not be an option at an extra cost.

I am so glad Insinkerator solved the issue with our over 10 year old hot water dispenser. The extender through our new stone counter is the perfect solution. Thank you!!!

Have had this product now for 5 years and my wife and I love it. Great for hot cereals, drinks & recipes. When we changed out our counter top and it was thicker than our old one I was very glad that there was a extension that attached .