I am in the works of Installing my above ground pool heater so I went into the store to ask questions/advice on how to install it. I spoke with Carl for awhile about it and he was very knowledgeable about the products and gave me excellent advice. I also had some other questions that I was unsure about so I emailed him and I got a response very quickly. I have always bought everything from this store and I would recommend speaking with Carl if you have any technical questions, problems or issues. A big Thank you to Carl!