Erik T Barrington , NH July 11, 2025 Appliance: General Electric Washer GFW450SSM1WW Ge Washer Gfw450ssm1ww: E39 error code gfw450ssm1ww. How to replace Diverter Valve (Washer). I bought the listed dispenser and it worked great! It took me a long time to decide and figure out the issue, but the actual install was quick and easy. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes