Matthew J Satsuma , FL December 09, 2016 Appliance: Maytag Top Loading Washer A412 Maytag Washer A412: Water was leaking from the top left side during fill the injector nozzle was bad. How to replace Injector Hose Kit. The injector nozzle was included with the injector hose kit I ordered. So was the air gap and hoses along with a new tub gasket. All I had to do was replace the assembly as a whole and it only took 10 minutes. Now the washer works like new! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes