Product Overview

Bring your heater back to reliable performance with the Pentair Heat Exchanger Kit, part number 474060. The heat exchanger is the core component that transfers heat from the combustion chamber to your pool water—when it’s worn, scaled, or damaged, heating efficiency drops and performance issues can follow. This replacement kit is designed for Pentair 300/333K heater models and is ideal for restoring proper heat transfer and dependable operation.

Ideal For

• Pentair 300K / 333K BTU heaters needing a heat exchanger replacement

• Heaters with reduced heating performance or inconsistent temperature rise

• Systems impacted by scale buildup, corrosion, or internal leaks

• Service pros completing a major heater repair using OEM-fit parts

Key Features

• OEM replacement heat exchanger kit

• Designed for Pentair 300/333K heater platforms

• Helps restore proper heat transfer and efficiency

• Pentair part number: 474060

• Built to match original fit and function for supported models

Benefits

• Restore heating performance: Improves temperature rise and overall efficiency compared to a failing exchanger

• Extend heater life: A major repair option that can save a full heater replacement in the right scenario

• Reliable fitment: Designed for compatibility with the intended Pentair heater series

• Professional-grade repair: Ideal for service calls and long-term solutions

Customer-Facing Q&A

Q: What does the heat exchanger do?
A: It transfers heat into the pool water. If it’s scaled, leaking, or damaged, your heater may heat slowly, lose efficiency, or fail to maintain temperature.

Q: Which heaters is this compatible with?
A: This kit is for Pentair 300K/333K heater models. Compatibility can vary by heater revision—always confirm using your heater’s model/serial data plate or parts diagram before ordering.

Q: Is this a DIY repair?
A: Heat exchanger replacement is a major service repair. Professional installation is strongly recommended to ensure safe operation and correct reassembly.

Q: What are signs I might need a new heat exchanger?
A: Common symptoms include reduced heat output, longer heat-up times, internal water leaks, corrosion damage, or persistent scale buildup that cannot be cleaned effectively.

Specs (Quick Reference)

• Manufacturer: Pentair

• Part Type: Heat Exchanger Kit

• Heater Size Compatibility: 300K / 333K (verify by model)

• MPN / Part #: 474060

What’s Included

• (1) Pentair Heat Exchanger Kit — 474060
  (Kit contents may vary by manufacturer revision; includes components required to replace the heat exchanger assembly as packaged.)