Pentair Thermal Fuse (White) | ETi Series Pool & Spa Heater | 475998 C4440 stabilized enzyme formula with a

stabilized enzyme formula with a phosphate remover blended in

The drive assembly is the core power electronics module of the IntelliFlo variable speed pump — it converts incoming AC power into variable-frequency output to control motor speed across the pump's operating range

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If the existing pool plumbing cannot pull from the lower main drain

and SP1085 model families

Pentair Thermal Fuse (White) | ETi Series Pool & Spa Heater | 475998 C4440 stabilized enzyme formula with aThe Pentair Thermal Fuse White (475998) is the OEM replacement thermal fuse for the Pentair ETi Series pool and spa heater line, including the ETi 250 and ETi 400 models. 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 thermal fuse is a one