ÊThis OEM specialized fuse is designed to break the electrical connection if the heater reaches unsafe temperatures, preventing potential damage and ensuring the heater operates within safe limits. It's an indispensable part for maintaining the safety and efficiency of your pool heating system. The Pentair Thermal Fuse 475998 safety protection device that opens the electrical circuit if the temperature reaches 187¡ F (86¡ C). The fuse cannot be reset, it must be replaced. This OEM Pentair Thermal Fuse 475998 is compatible specifically with Pentair ETI 400 Gas Heaters.

• Safety-Centric Design:ÊSpecialized to disconnect the electric circuit at unsafe heater temperatures, this fuse serves as a crucial safety measure.
• Indispensable Safety Device:ÊActs as an essential component to maintain the efficiency and safety of your pool's heating system.
• One-Time Use Protection:ÊDesigned as a non-resettable, one-use fuse, it ensures the integrity of the safety system by needing replacement when tripped at 187¡ F.
• Specific Compatibility:ÊThis OEM part is custom-made for the Pentair ETI 400 Gas Heater, assuring a perfect fit and optimal performance.

• Pentair ETI 400 Gas Pool Heaters