*PLUMBERSSTOCK EXPERT* responded:
Good day! We're glad that you are interested in our Delta RP71180WH lid. Yes, this will work with a Delta RP71179 tank. You may refer to this specification sheet for more technical information about the product. If you are all set to purchase this item, just click on Add to Cart. Enter your zip code to get a shipping cost estimate and proceed to checkout to begin the ordering process. Thanks for choosing PlumbersStock.com as your online shopping buddy. Have a great day!