The Pentair 475623 TitanTough Heat Exchanger Kit is a comprehensive OEM replacement solution for the Pentair ETi 400 High Efficiency Gas Heater. Designed for durability and peak performance, this kit features the corrosion-resistant TitanTough titanium heat exchanger along with all essential components for a full system refresh. Ideal for service technicians and pool owners looking to restore heater efficiency and extend equipment lifespan.

What’s Included in the Kit:

• Pentair 475623 TitanTough Heat Exchanger – High-efficiency titanium heat exchanger resistant to corrosion and scale buildup.

• Pentair 476106 Kit Heat Exchanger Union Adapters – Ensures secure and leak-proof connections.

• Pentair 475998 Thermal Fuse (White) – Provides overheating protection.

• Pentair 4715601Z Stack Flue Sensor (Blue) – Monitors flue temperature for safe operation.

• Pentair 476059 Burner Assembly – Optimized for efficient combustion and heating performance.

• Pentair 476081Z Gas Engine Spark Electrode – Ensures reliable ignition of the heater.

Key Features:

• 96% Thermal Efficiency: Industry-leading energy efficiency reduces utility costs and heat-up time.

• Titanium Durability: Built with Pentair’s direct-fire titanium core—resistant to corrosion, scale, and chemicals.

• Full Compatibility: Engineered specifically for the Pentair ETi 400 High Efficiency Heater.

• Genuine Pentair OEM Parts: Maintain system integrity and warranty by using certified replacement components.

• Comprehensive Kit: Includes all essential parts for a complete heat exchanger system rebuild.

Specifications:

• Kit Model: 475623

• Compatible Heater: Pentair ETi 400

• Heat Exchanger Material: Titanium

• UPC: 788379882754

• Shipping Dimensions: 20" x 20" x 20"