Step1: Turn off heater power at breaker, disconnect electrical supply, and allow unit to cool completely.
Step2: Remove access panel and carefully locate existing drain tube.
Step3: Detach old tube, inspect fittings, and clean drain port.
Step4: Align new tube to outlet fitting securely.
Step5: Secure connections ensuring tight, leak-free seal and check for gaps.
Step6: Route tube to proper drainage path, avoiding kinks or blockages.
Step7: Restore power and test for proper condensate flow, monitoring for leaks.