Vertical NFT Will Need A New Pump

Connected nutrient tank to the vertical NFT system today. I was going to use the pump I had on the Hydro buckets last year. Ran a simply test on the pump to make sure it was still running OK, but found it only has a pumping head height of 4 feet. I need 7 feet. So starting up of the vertical NFT will have to wait until can buy a new pump. Been using pumps purchased from Lowes. However, this year they switch to a different brand. Which I'm not sure if like the style of yet.