Step1: Disconnect power and water supply to prevent electric shock, and apply lockout/tagout if available.
Step2: Remove access panel and locate old heating element connections inside the appliance housing.
Step3: Disconnect wiring terminals carefully, noting placement and labeling each wire for correct reassembly.
Step4: Install new heating element, secure mounting hardware tightly, ensuring proper alignment and seal.
Step5: Reconnect wiring, replace panel, restore power, then test heating function for safe operation.