Heat Exchanger Replacement | Pentair | ETI400 | Copper | Heavy Duty (Fits ETI400)

Pentair Eti400 Heat Exchanger Replacement, model ETI400, ensures reliable water circulation through your pool system to keep it clean and properly filtered. This replacement part, 475623, is designed to restore steady flow and healthy water by supporting consistent filtration and heater performance.

When the heat exchanger wears down, you may see reduced circulation, inconsistent temperatures, and cloudy water. Installing the Eti400 replacement helps you maintain clear water, balanced chemistry, and efficient heating in residential or light commercial pools. It's built to endure typical pool environments and works with standard Pentair ETI400 setups.

• Restores optimal water circulation in ETI400-compatible systems
• Supports efficient filtration and clearer, healthier water
• Durable, corrosion-resistant materials designed for pool environments
• Compatible with standard pool plumbing and fittings
• Helps maintain heating performance when paired with a compatible heater

Keep your pool running smoothly—order the Pentair Eti400 Heat Exchanger Replacement 475623 today and enjoy healthier water all season.