Shari K Mandeville , LA January 22, 2017 Appliance: Frigidaire Dehumidifier FAD504DWD1 Frigidaire Dehumidifier Fad504dwd1: I dropped my dehumidifier tank and cracked it. How to replace Water Tank Assembly (Service Reservoir). I found my replacement easily at AppliancePartsPros.com. I am so glad I didn't have to buy a new dehumidifier. I decided to purchase a spare filter while I was ordering the replacement tank. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes