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enabling precise mode selection and steady flow across backwash
Moisture‑resistant durability: built to resist moisture
Built by PermaCast
and 2" NPT threads for flexible installation and testing
and temperature changes for year-round performance
Pentair Eti400 Heat Exchanger Replacement for Pool Heaters Control Board enabling precise mode selection andPentair Eti400 Heat Exchanger Replacement for Pool Heaters Intro Upgrade your pools heating reliability with the Pentair Eti400 Heat Exchanger Replacement. This direct fit component is engineered to restore peak performance in compatible Eti400 systems, delivering consistent warmth and fewer interruptions. Built to withstand chlorinated water, it combines durable construction with precise fittings for a seamless, tool friendly swap that protects your