Pentair Eti400 Heat Exchanger Replacement for Pool Heaters Control Board and temperature changes for year-round

and temperature changes for year-round performance

Reclaim your pool after a storm—add Haviland Pool Rescue Water Clarifier to your routine and swim with confidence

and 2" NPT threads for flexible installation and testing

enabling precise mode selection and steady flow across backwash

Proper use of this cleaner will help improve the efficiency of catching contaminants and filtration rate of your cartridge filter

Pentair Eti400 Heat Exchanger Replacement for Pool Heaters Control Board and temperature changes for year-roundPentair 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