Corrosion or rust visible on metal parts of the Fairland heater cabinet or fasteners.

Safety: Wear gloves and eye protection when cleaning corroded areas.

Steps:

• Clean surfaces: Gently remove loose rust with a nylon brush and wipe clean.
• Protective coating: Apply a corrosion-inhibiting spray or touch-up paint approved for outdoor HVAC equipment to affected areas.
• Relocate chemicals: Do not store chlorine or acid containers near the heater air intake.

Severe corrosion:

• If structural parts or fasteners are badly corroded, a technician should assess and replace cabinet panels or hardware as needed.