I called the folks at Standard Water Control as they had initially installed the drain tile and sump pumps in my house before I bought the house in July 2012. The drain tile was installed in 1997 along with the original sump pump. The back-up sump pump was installed in 2004. I replaced the back-up sump pump batteries last fall. I ended up replacing the original sump pump myself with phone help from the employees at Standard Water Control. I did buy a new sump pump onsite for $320 and found that the price is about twice what you can purchase similar models for on Amazon. So, I think the item was a bit overpriced. Anyhow, this company has a good reputation and was helpful over the phone and in person, so i will use them again in the future as needed.