Pentair Fan Relay | ThermalFlo HP Titanium Heat Pump / UltraTemp 220 ETi | 473150Z Free-Standing Fountains mineral scale buildup reduces UV-C

mineral scale buildup reduces UV-C transmission — a sleeve that looks intact can still be blocking a significant portion of germicidal output

resulting in reduced drive performance

Enjoy a stimulating

A worn or damaged impeller reduces flow rate and places additional load on the motor

Pentair Fan Relay | ThermalFlo HP Titanium Heat Pump / UltraTemp 220 ETi | 473150Z Free-Standing Fountains mineral scale buildup reduces UV-CThe Pentair Fan Relay (473150Z) is the OEM replacement electrical relay for the ThermalFlo HP Titanium heat pump series and the UltraTemp 220 ETi heater. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. The fan relay controls the condenser fan