Ron S Camp Verde , AZ March 29, 2015 Appliance: General Electric Water Softeners GXSF27B00 The nozzle/venturi assembly in my water softener fell apart internally Replaced the nozzle/venturi assembly. The young? sounding lady I talked to in KY took the time to make sure the part I needed was the right one since there is more than one model. The assembly even arrived a day earlier than I expected. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Pliers, Screwdrivers