Step1: Disconnect power at breaker and check circuit is fully de-energized.
Step2: Allow the unit to cool completely before handling internal components.
Step3: Remove existing old well assembly and disconnect high-voltage wiring, noting terminal positions.
Step4: Install the new well into opening, securing mounting hardware evenly.
Step5: Reconnect wiring with proper grounding and insulation checks.
Step6: Restore power and test heating operations, ensuring stable temperature and no electrical faults.