Pentair ETi 400 Thermal Fuse (475998)

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Rather than replacing a larger assembly too soon, Pentair ETi 400 Thermal Fuse (475998) allows a more precise repair to the component that needs attention. This thermal fuse is a s mall but important protective component for ETi 400 heaters, intended to interrupt unsafe high-temperature conditions inside the system. It is useful when the existing component shows wear, damage, age-related failure, or performance issues in the larger pool or spa system. Made for ETi 400 thermal protection service Supports added heater protection and improved diagnostic confidence Check correct fuse rating and proper placement before installation Use part number to verify fit A precise replacement can reduce downtime and help the system return to normal operation faster. Always verify the application before restarting the system. Show more