Pentair Fan Guard | UltraTemp ETi Series | 473786Z Curtain Waterfalls Either symptom is a straightforward

Either symptom is a straightforward sign the weir is due for replacement

Injection molded plastic — resists corrosion

The air relief assembly vents trapped air from the filter tank

restoring full heater control and automation connectivity

Pentair Fan Guard | UltraTemp ETi Series | 473786Z Curtain Waterfalls Either symptom is a straightforwardThe Pentair Fan Guard (473786Z) is the OEM replacement fan guard for the UltraTemp ETi heat pump series. This is the protective grille assembly that mounts over the fan discharge on the top of the unit. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Heat pump components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service high voltage components without proper certification. The fan guard