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

Escutcheon

Your Hayward SwimClear C2025 requires 4 cartridges for a complete service

restoring the pump's internal water-tight integrity at the shaft interface

the filter canister lacks the structural support needed to remain upright during operation

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